Alert archive / Mississippi / Flash Flood Warnings in 1991
Flash Flood Warning 2, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Feb 18, 1991, 7:40 PM CST for Chickasaw County, Pontotoc County, Mississippi. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Feb 18, 1991, 7:40 PM CST (01:40 UTC)
- Expired
- Feb 18, 1991, 11:45 PM CST
- In force
- 4 hr
- Issued by
- NWS Memphis, TN
- Area
- Whole counties
Counties Chickasaw County, MS, Pontotoc County, MS
The nearest sounding before it
Centreville/Bibb, AL (KCKL), launched 00:00Z, 1.7 hours before the alert went out and 211 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 807 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 367 m²/s²
- 0-3 km storm-relative helicity
- 490 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KTUP 190142 COR FFWTUP MSC087-071-003-017-057-081-095-115-117-139-141-145-190545- BULLETIN - EBS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE TUPELO MS 740 PM CST MON FEB 18 1991 THE NATIONAL WEATHER SERVICE IN TUPELO HAS ISSUED A FLASH FLOOD WARNING EFFECTIVE UNTIL 1145 PM CST FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN EAST CENTRAL MISSISSIPPI ...LOWNDES COUNTY IN NORTH CENTRAL MISSISSIPPI ...LAFAYETTE COUNTY IN NORTHEAST MISSISSIPPI ...ALCORN COUNTY...CHICKASAW COUNTY...ITAWAMBA COUNTY...LEE COUNTY ...MONROE COUNTY...PONTOTOC COUNTY...PRENTISS COUNTY...TIPPAH COUNTY ...TISHOMINGO COUNTY...UNION COUNTY AT 635 PM CDT NATIONAL WEATHER SERVICE RADAR SHOWES A LINE OF THUNDERSTORMS PRODUCING VERY HEAVY RAIN EXTENDING FROM NEAR NEAR NEW ALBANY TO GRENADA. THESE STORMS WERE MOVING NORTHEAST INTO NORTHEAST MISSISSIPPI. WITH MOST STREAMS AND CREEKS ALREADY OUT OF THEIR BANKS THIS RAIN WILL ONLY ADD TO THE PROBLEM. A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND. NNNN
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Feb 18, 7:00 PM CST, 40 minutes before
ARC035-MSC033-TNC047-157-167-190300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MEMPHIS TN 700 PM CST MON FEB 18 1991 ... HEAVY RAINS MOVING INTO THE MEMPHIS AREA ... AN AREA OF HEAVY RAIN
The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 18, 7:40 PM CST | Flash Flood Warning | MEG | Itawamba, Lee, Monroe, Prentiss, Tishomingo | 4 hr |
| Feb 18, 7:40 PM CST | Flash Flood Warning | MEG | Alcorn, Tippah, Union | 4 hr |
| Feb 18, 7:40 PM CST | Flash Flood Warning | MEG | Lafayette | 4 hr |
| Feb 18, 7:40 PM CST | Flash Flood Warning | MEG | Lowndes | 88 min |
| Feb 19, 8:19 AM CST | Flash Flood Warning | MEG | Lafayette, Pontotoc, Union | 8 hr |
| Feb 19, 8:19 AM CST | Flash Flood Warning | MEG | Chickasaw, Lee, Monroe | 8 hr |
| Feb 19, 8:19 AM CST | Flash Flood Warning | MEG | Itawamba, Prentiss, Tishomingo | 8 hr |
| Feb 19, 8:19 AM CST | Flash Flood Warning | MEG | Alcorn, Tippah | 8 hr |
Nearby
Flash Flood Warnings in Mississippi, 1991Every flash flood warning in 1991
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.