Alert archive / Mississippi / Flash Flood Warnings in 2004
Flash Flood Warning 4, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at May 12, 2004, 7:17 PM CDT for George County, Mississippi. It was in force for 3 hr. 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 12, 2004, 7:17 PM CDT (00:17 UTC)
- Expired
- May 12, 2004, 10:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Counties, with a storm outline in the text
County George County, MS
The radar
The Mobile radar (KMOB), 47 km from the middle of the area, began a volume at 00:19 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, 0.3 hours before the alert went out and 122 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
- 85 J/kg
- Mixed-layer CIN
- -101 J/kg
- Mixed-layer LCL
- 694 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 104 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WGUS54 KMOB 130018 FFWMOB MSC039-130230- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 717 PM CDT WED MAY 12 2004 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * FLASH FLOOD WARNING FOR... GEORGE COUNTY IN SOUTHEAST MISSISSIPPI * UNTIL 930 PM CDT * AT 717 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM NEAR LUCEDALE TO NEAR BASIN...AND MOVING EAST...NORTHEAST AT 10 MPH. RADAR RAINFALL ESTIMATES INDICATE THAT A SWATH OF 2 TO 4 INCHES OF RAIN HAS FALLEN ACROSS MUCH OF THE WESTERN HALF OF THE COUNTY OVER THE LAST FEW HOURS. ANOTHER 2 TO 3 INCHES IS POSSIBLE THROUGH 930 PM THIS EVENING AS STORMS CONTINUE TO MOVE SLOWLY EASTWARD ACROSS THE COUNTY. EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL CREEKS AND STREAMS...HIGHWAYS...STREETS AND UNDERPASSES...AS WELL AS OTHER POUR DRAINAGE AND LOW LYING AREAS. RESIDENTS LIVING IN FLOOD PRONE AREAS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. REMEMBER...IT ONLY TAKES A FEW INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY. LAT...LON 3098 8880 3076 8883 3076 8844 3099 8845 $$
1 follow-up statement
000 WGUS74 KMOB 130217 FFSMOB MSC039-111-131-130300- FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 915 PM CDT WED MAY 12 2004 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR THE FOLLOWING COUNTIES... IN SOUTHEAST MISSISSIPPI...GEORGE...STONE AND PERRY COUNTIES. AT 915 PM CDT WEATHER SERVICE RADAR INDICATED THAT THE HEAVY RAIN PRODUCING THUNDERSTORMS HAVE MOVED EAST OF THE AREA AND WEAKENED... AND THEREFORE ENDING THE IMMEDIATE THREAT OF FLASH FLOODING. ALTHOUGH THE HEAVY RAIN HAS ENDED...SOME MINOR PONDING OF WATER OVER FLOOD PRONE AREAS AND ROADWAYS COULD CONTINUE TO POSE A HAZARD TO TRAVEL FOR THE NEXT COUPLE OF HOURS. BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE DANGERS OF FLOODED AREAS. DO NOT DRIVE INTO WATER COVERED ROADWAYS OR UNDERPASSES. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW A SAFE CROSSING. REMEMBER...TURN AROUND...DONT DROWN. $$
Nearby
Flash Flood Warnings in Mississippi, 2004Every flash flood warning in 2004
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.