Alert archive / Alabama / Flash Flood Warnings in 2003
Flash Flood Warning 5, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at May 18, 2003, 6:38 AM CDT for Baldwin County, Mobile County, Alabama. It was in force for 112 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
- May 18, 2003, 6:38 AM CDT (11:38 UTC)
- Expired
- May 18, 2003, 8:30 AM CDT
- In force
- 112 min
- Issued by
- NWS Mobile, AL
- Area
- Counties, with a storm outline in the text
Counties Baldwin County, AL, Mobile County, AL
The radar
The Mobile radar (KMOB), 30 km from the middle of the area, began a volume at 11:41 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
Slidell Radar S, LA (KSIL), launched 00:00Z, 11.6 hours before the alert went out and 177 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
- 2667 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 1028 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 139 m²/s²
- Significant tornado parameter
- 1.1
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KMOB 181141 FFWMOB ALC003-097-181330- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 638 AM CDT SUN MAY 18 2003 THE NATIONAL WEATHER SERVICE HAS ISSUED A * FLASH FLOOD WARNING FOR... CENTRAL BALDWIN COUNTY IN SOUTHWEST ALABAMA THIS INCLUDES THE CITY OF BAY MINETTE CENTRAL MOBILE COUNTY IN SOUTHWEST ALABAMA * UNTIL 830 AM CDT * AT 636 AM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM JUST SOUTH OF BAY MINETTE TO JUST WEST OF MOBILE REGIONAL AIRPORT. MOVING NORTHEAST AT 10 MPH. * THUNDERSTORMS WITH EXCESSIVE RAINFALL WILL CONTINUE TO TRACK SLOWLY ACROSS THE WARNED AREA THIS MORNING. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS FELL SINCE MIDNIGHT WITH ANOTHER 1 TO 2 INCHES POSSIBLE. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE FLASH FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING. 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. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. IF YOUR VEHICLE STALLS, ABANDON IT IMMEDIATELY AND SEEK HIGHER GROUND. TO REPORT SEVERE WEATHER HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE. LAT...LON 3086 8767 3056 8852 3081 8836 3102 8767
1 follow-up statement
000 WGUS74 KMOB 181242 FFSMOB ALC003-097-181330- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 740 AM CDT SUN MAY 18 2003 ...A FLASH FLOOD WARNING CONTINUES IN EFFECT UNTIL 830 AM CDT FOR THE FOLLOWING COUNTIES... IN SOUTHWEST ALABAMA...BALDWIN AND MOBILE COUNTIES. SOME PLACES IN THE WARNED AREA SUBJECT TO FLOOD PROBLEMS ARE...I65 AND MOFFETT ROAD...DEES...SPRING HILL COLLEGE...CRICHTON... PHILLIPSVILLE...HUTCHENS ELEMENTARY SCHOOL AND COTTAGE HILL PARK. AT 736 AM CDT...WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH HEAVY RAIN CONTINUING TO MOVE ACROSS THE WARNED AREA. SOME OF THESE STORMS ARE CAPABABLE OF PRODUCING 1 TO 2 INCHES OF RAIN PER HOUR OVER AN ALREADY SATURATED GROUND. THE NATIONAL WEATHER SERVICE OFFICE AT MOBILE REGIONAL AIRPORT HAS MEASURED 4.25 INCHES OF RAIN SINCE 2 AM. EXCESSIVE RUNOFF FROM THESE STORMS WILL CAUSE ADDITIONAL FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES...AND OTHER LOW LYING FLOOD PRONE AREAS. EMERGENCY MANAGEMENT AND LAW ENFORCEMENT OFFICIALS HAVE REPORTED SEVERAL ROADS INUNDATED AND IMPASSABLE. 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 AND NEVER DRIVE INTO AN AREA WHERE WATER COVERS THE ROAD. 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 |
|---|---|---|---|---|
| May 17, 7:36 PM CDT | Special Marine Warning | MOB | 24 min | |
| May 17, 9:53 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 37 min |
| May 17, 10:55 PM CDT | Severe Thunderstorm Warning | MOB | Clarke | 35 min |
| May 18, 8:25 AM CDT | Flash Flood Warning | MOB | Baldwin, Mobile | 2 hr |
| May 18, 10:25 AM CDT | Flash Flood Warning | MOB | Baldwin | 2 hr |
| May 18, 10:51 AM CDT | Flash Flood Warning | MOB | Mobile | 84 min |
| May 18, 12:04 PM CDT | Special Marine Warning | MOB | 3 hr | |
| May 18, 12:28 PM CDT | Flash Flood Warning | MOB | Baldwin | 6 hr |
| May 18, 2:58 PM CDT | Special Marine Warning | MOB | 2 hr | |
| May 18, 4:58 PM CDT | Special Marine Warning | MOB | 3 hr |
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.