Alert archive / Alabama / Flash Flood Warnings in 2003
Flash Flood Warning 28, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Jul 19, 2003, 6:16 PM CDT for Choctaw County, Alabama. It was in force for 89 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
- Jul 19, 2003, 6:16 PM CDT (23:16 UTC)
- Expired
- Jul 19, 2003, 7:45 PM CDT
- In force
- 89 min
- Issued by
- NWS Mobile, AL
- Area
- Counties, with a storm outline in the text
County Choctaw County, AL
The radar
The Mobile radar (KMOB), 135 km from the middle of the area, began a volume at 23:16 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
Jackson, MS (KJAN), launched 12:00Z, 11.3 hours before the alert went out and 176 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
- 1927 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 1013 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 1 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KMOB 192320 FFWMOB ALC023-200045- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 616 PM CDT SAT JUL 19 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL CHOCTAW COUNTY IN SOUTHWEST ALABAMA * UNTIL 745 PM CDT * AT 615 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN BETWEEN TOXEY AND HINTON...THE THUNDERSTORM PRODUCING THE HEAVY RAIN WAS WEAKENING SLIGHTLY AS IT DRIFTS SOUTHEAST AT 5 MPH. RADAR ESTIMATED UP TO 4 INCHES OF RAIN IN AN HOURS TIME JUST SOUTH OF NEEDHAM BETWEEN 515 AND 615 PM. * STORMS WITH HEAVY RAINFALL WILL AFFECT AREAS IN AND AROUND... CHAPPELL HILL AND BARRYTOWN BY 640 PM CDT... EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES AND ARROYOS...AS WELL AS FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. LAT...LON 3199 8825 3192 8844 3177 8831 3179 8817 $$
1 follow-up statement
000 WGUS74 KMOB 200024 FFSMOB ALC023-200100- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 723 PM CDT SAT JUL 19 2003 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL 745 PM CDT FOR THE FOLLOWING COUNTY... IN SOUTHWEST ALABAMA...CHOCTAW COUNTY. AT 720 PM CDT...WEATHER SERVICE RADAR INDICATED THE THUNDERSTORMS THAT PROMPTED THE FLASH FLOOD WARNING HAVE WEAKEND AND MOVED SOUTH TO NEAR BLADON SPRINGS STATE PARK. HOWEVER...RUNOFF FROM THE EARLIER THUNDERSTORMS WILL CONTINUE TO CAUSE FLOODING OF SMALL CREEKS... STREAMS AND HIGHWAYS IN CENTRAL CHOCTAW COUNTY. WEATHER RADAR ESTIMATED 3 TO 5 INCHES OF RAIN FELL THIS AFTERNOON OVER THE WARNED AREA. RADAR SHOWS SHOWERS AND THUNDERSTORMS CONTINUE TO DEVELOP JUST WEST OF CHOCTAW COUNTY...THESE STORMS WERE MOVING EAST SOUTHEAST AND MAY POSE A PROBLEM LATER THIS EVENING. IF ADDITIONAL HEAVY RAIN FALLS OVER CENTRAL CHOCTAW COUNTY...ANOTHER FLASH FLOOD WARNING MAY BE REQUIRED. REMEMBER...A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. RESIDENTS LIVING IN AREAS SUBJECT TO FLOODING SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. IF FLASH FLOODING IS OBSERVED...MOVE QUICKLY TO HIGHER GROUND. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. $$
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 9:24 AM CDT | Special Marine Warning | MOB | 36 min | |
| Jul 19, 2:15 PM CDT | Special Marine Warning | MOB | 60 min | |
| Jul 19, 3:06 PM CDT | Special Marine Warning | MOB | 114 min | |
| Jul 19, 3:06 PM CDT | Special Marine Warning | MOB | 114 min | |
| Jul 19, 3:31 PM CDT | Special Marine Warning | MOB | 119 min |
Nearby
Flash Flood Warnings in Alabama, 2003Every flash flood 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.