Alert archive / Florida / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 3, NWS Key West, FL
NWS Key West, FL issued this severe thunderstorm warning at Apr 26, 2003, 5:38 PM EDT for Monroe County, Florida. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 26, 2003, 5:38 PM EDT (21:38 UTC)
- Expired
- Apr 26, 2003, 6:00 PM EDT
- In force
- 22 min
- Issued by
- NWS Key West, FL
- Area
- Counties, with a storm outline in the text
County Monroe County, FL
The radar
The Key West radar (KBYX), 18 km from the middle of the area, began a volume at 21:39 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Key West, FL (KEYW), launched 12:00Z, 9.6 hours before the alert went out and 23 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 2976 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 553 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 190 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 11.0
The text
As transmitted, in the capitals the NWS used until 2016.
883 WUUS52 KEYW 262138 SVREYW FLC087-262200- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE KEY WEST FL 537 PM EDT SAT APR 26 2003 THE NATIONAL WEATHER SERVICE IN KEY WEST HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LOWER KEYS IN MONROE COUNTY IN FLORIDA * UNTIL 600 PM EDT * AT 537 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS JUST NORTHEAST OF BOCA CHICA...MOVING SOUTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... KEY WEST AND BOCA CHICA BY 542 PM EDT... VERY HEAVY RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES. INTENSE LIGHTNING IS OCCURRING WITH THIS STORM. IF OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY. TRY TO UNPLUG UNNECESSARY ELECTRICAL APPLIANCES BEFORE THE THUNDERSTORM APPROACHES. LAT...LON 2470 8182 2458 8168 2482 8138 2498 8155 $$
The office that day
Everything else NWS Key West, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 3:58 PM EDT | Special Marine Warning | KEY | 62 min | |
| Apr 26, 5:00 PM EDT | Special Marine Warning | KEY | 60 min | |
| Apr 26, 5:00 PM EDT | Special Marine Warning | KEY | 60 min | |
| Apr 26, 5:00 PM EDT | Special Marine Warning | KEY | 60 min | |
| Apr 26, 5:00 PM EDT | Special Marine Warning | KEY | 60 min | |
| Apr 26, 5:00 PM EDT | Special Marine Warning | KEY | 60 min | |
| Apr 26, 5:18 PM EDT | Special Marine Warning | KEY | 57 min | |
| Apr 26, 5:18 PM EDT | Special Marine Warning | KEY | 57 min | |
| Apr 26, 5:18 PM EDT | Special Marine Warning | KEY | 57 min | |
| Apr 26, 5:58 PM EDT | Special Marine Warning | KEY | 62 min | |
| Apr 26, 6:12 PM EDT | Special Marine Warning | KEY | 78 min | |
| Apr 26, 6:12 PM EDT | Special Marine Warning | KEY | 78 min | |
| Apr 26, 6:58 PM EDT | Special Marine Warning | KEY | 62 min | |
| Apr 26, 7:59 PM EDT | Special Marine Warning | KEY | 91 min |
Nearby
Severe Thunderstorm Warnings in Florida, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.