TropoLab Wire

high 4h ago · 02:01Z

San Juan Flood Emergency

Emergency-declared catastrophic flooding continues along the San Juan River from the Four Corners toward Mexican Hat and Lake Powell as the crest works downstream, while the Rio Puerco at Bernardo holds its highest stages since 1944 and Rio Grande headwater flood warnings persist across south-central Colorado.

Flood emergency along the San Juan River between Four Corners and Mexican Hat through 8 AM MDT Tuesday: crest has passed Bluff (23.9 ft at 10:30 PM vs 23 ft flood stage; 24-hr max 26.2 ft) and works toward Mexican Hat through sunrise — compares to the 32.0 ft record crest of Sept 10, 1927.
Bluff to Lake Powell (San Juan and Kane counties, UT): river running fast and high through at least Tuesday morning; inundated low-water crossings impassable — do not attempt to cross.
Rio Puerco at Bernardo (Socorro County, NM) in moderate flood at 24.1 ft — highest since July 1944 — old Highway 60 bridge overtopped; eases to minor early Tuesday, then a secondary rise Wednesday morning before falling below flood stage late Thursday.
Colorado headwaters: Rio Grande at Alamosa in minor flood (9.3 ft vs 9.0 ft stage) through Tuesday evening; Purgatoire River near Las Animas cresting 10.5 ft Tuesday evening (flood stage 9.0 ft); Conejos River crested at most locations but widespread standing water lingers around Manassa until midday Tuesday; Rio Chama below Chamita (6.4 ft) falling below flood stage Tuesday morning.

high 4h ago · 02:01Z

Alaska Bering Sea Superstorm

The record Bering Sea superstorm is slowly weakening — Storm Warnings hold through 5 AM AKDT Tuesday with gusts to 70 kt near Saint Matthew Island, fresh Gale Warnings cover northwest Alaska coastal waters into Tuesday afternoon, and a 60-mph high wind warning continues on the Bering Strait coast.

Storm Warnings through 5 AM AKDT Tuesday: west of the dateline SW 45-60 kt with seas 24-39 ft; Bering offshore 171W-180 north of 56N S 35-50 kt, seas 19-32 ft; Saint Matthew Island Waters S 55 kt gusting 70 kt with seas building to 35 ft overnight before subsiding Tuesday.\n• NEW Gale Warnings through 5 PM AKDT Tuesday for northwest Alaska coastal waters — Norton Sound, Wales to Cape Thompson, Etolin Strait to Kwemeluk Pass and adjacent Yukon Delta zones — as the tight pressure gradient lingers.\n• Dozens of Gale Warnings remain across Alaska waters — 19 Fairbanks zones through 5 PM AKDT Tuesday and 36 Anchorage zones through Tuesday into Wednesday (Kuskokwim Delta and Port Heiden–Nelson Lagoon through Wednesday) — as the gradient slowly relaxes.\n• High Wind Warning until 4 PM AKDT Tuesday for the Bering Strait Coast, Diomede, Shishmaref and St. Lawrence Island: S 30-40 mph gusting 60 mph with property damage and power outage potential; the lone Winter Storm Warning (south slopes of the central Brooks Range, Upper Koyukuk Valley) expires 10 PM AKDT tonight with up to 3 inches of additional snow.

moderate 4h ago · 02:01Z

Southeast King Tide Flooding

Major saltwater flooding covers the entire Florida Keys through early Wednesday, coastal flood warnings stretch from southeast Georgia to Miami-Dade into Thursday, and river flood warnings continue on the St. Johns at Astor with a new one near DeLand.

Florida Keys (Monroe County): major saltwater flooding extended for the Upper, Middle and Lower Keys until 5 AM EDT Wednesday — numerous road closures with inundation of low-lying homes, businesses and critical infrastructure.\n• St. Johns River: NEW minor flood warning near DeLand — crest near 4.0 ft Tuesday morning and holding into Wednesday as gusty NE winds slow river flow; Astor stays in moderate flood (major flooding with water rescues at 4.0 ft) with a decline not expected until late week.\n• Northeast Florida: coastal flood warning through 2 AM EDT Thursday for coastal Nassau/Duval/Flagler/St. Johns and the St. Johns basin — moderate to possibly major flooding at high tide with 8-10 ft breakers; coastal Volusia through Martin counties likewise through 2 AM Thursday.\n• Palm Beach, Broward and Miami-Dade in significant coastal flooding until 8 PM EDT Wednesday with 8-13 ft surf; southeast Georgia beaches (Glynn/Camden) moderate to possibly major flooding until 11 AM EDT Tuesday.

low 4h ago · 02:01Z

SoCal King Tide Flooding

A Coastal Flood Warning for San Diego and Orange County coasts keeps significant flooding at each late-morning high tide — running 1.5-1.7 ft above astronomical predictions — through Thursday afternoon.

Significant coastal flooding during each late-morning high-tide cycle through 1 PM PDT Thursday for San Diego County coastal areas and Orange County coastal areas.
Numerous roads may close; low-lying homes, businesses and some critical infrastructure will be inundated with shoreline erosion.
Observed high tides are running 1.5-1.7 ft above astronomical predictions, peaking in the late mornings each day.

low 4h ago · 02:01Z

Rio Grande Border Flooding

The Rio Grande at the Presidio Vehicle Bridge is in major flooding approaching the flood of record and expected to fall below flood stage overnight, with minor flooding continuing downstream toward Castolon in Big Bend National Park.

Major flooding at the Rio Grande at the Presidio Vehicle Bridge — stage 42.1 ft late Monday, approaching the flood of record; the river is expected to fall below flood stage just after midnight, with the warning running through 3 PM CDT Tuesday.
Flood Warning continues for the Rio Grande below the Rio Conchos near Presidio until 5 PM CDT Tuesday — minor flooding of the low-lying river plain; irrigation pumps may need removal, no threats to residences.
Minor flooding forecast near Castolon in Big Bend National Park; avoid flooded low-water crossings as Conchos-fed flows continue working downstream.

low 4h ago · 02:01Z

Southeast Coastal Gales

Atlantic gales linger into Wednesday — Biscayne Bay and the Jupiter Inlet–Ocean Reef waters stay in gale through 8 AM EDT Wednesday, Melbourne waters hold 12-15 ft seas into early Wednesday, and the Straits of Florida and Keys clear by late Tuesday morning.

Miami: gales until 8 AM EDT Wednesday for Biscayne Bay and the Jupiter Inlet–Deerfield Beach/Ocean Reef waters (0-60 NM) — NE 25-30 kt, gusts to 35 kt, seas 9-14 ft; a Small Craft Advisory follows through Wednesday evening.
Melbourne: Sebastian Inlet–Jupiter Inlet waters (0-60 NM) in gale until 2 AM EDT Wednesday with seas 12-15 ft; Flagler Beach–Volusia–Brevard nearshore zones drop to Small Craft Advisory after 2 AM EDT Tuesday.
Key West: Straits of Florida, Hawk Channel, Dry Tortugas and Florida Bay gales run until 11 AM EDT Tuesday (NE 25-30 kt, gusts to 35 kt, seas 7-12 ft); Jacksonville-area gales have ended.