Alert archive / Mississippi / Flash Flood Warnings in 1991
Flash Flood Warning 42, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 29, 1991, 1:37 AM CDT for Carroll County, Holmes County, Leflore County, Mississippi. It was in force for 83 min.
The area
The counties it named.
The facts
- Issued
- Apr 29, 1991, 1:37 AM CDT (06:37 UTC)
- Expired
- Apr 29, 1991, 3:00 AM CDT
- In force
- 83 min
- Issued by
- NWS Jackson, MS
- Area
- Whole counties
Counties Carroll County, MS, Holmes County, MS, Leflore County, MS
The nearest sounding before it
Jackson, MS (KJAN), launched 00:00Z, 6.6 hours before the alert went out and 117 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
- 515 J/kg
- Mixed-layer CIN
- -38 J/kg
- Mixed-layer LCL
- 606 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 134 m²/s²
- 0-3 km storm-relative helicity
- 111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, Apr 28, 10:03 PM CDT, 3 hours 34 minutes before
MSZ009-012-290400- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1002 PM CDT SUN APR 28 1991 ...TORNADO WATCH NUMBER 233 REMAINS IN EFFECT FOR A PART OF EAST CENTRAL MISSISSIPPI UNTIL 3 AM CDT... AT 953 PM CDT RADAR INDICATED A LARGE AREA OF RAIN WITH EMBEDDED VERY STRONG THUNDERSTORMS WEST OF A LINE FROM MCCOMB TO BAY SPRINGS TO STARKVILLE MISSISSIPPI. THE STRONGEST THUNDERSTORM WAS INDICATED NORTH OF PHILADELPHIA MISSISSIPPI. THE AREA OF RAIN AND THUNDERSTORMS WAS MOVING EAST AT 35 MPH AND SHOULD BE MOVING INTO THE REST OF EAST CENTRAL MISSISSIPPI WITHIN THE HOUR. PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 28, 11:04 PM CDT, 2 hours 33 minutes before
MSZ009-012-ALZ008-013-290600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MERIDIAN MS 1102 PM CDT SUN APR 28 1991 ...TORNADO WATCH NUMBER 233 WHICH INCLUDES PARTS OF EAST CENTRAL MISSISSIPPI REMAINS IN EFFECT UNTIL 3 AM CDT... ...SEVERE THUNDERSTORM WATCH NUMBER 234 WHICH INCLUDES PORTIONS OF NORTH AND CENTRAL MISSISSIPPI AND SUMTER COUNTY IN WEST CENTRAL ALABAMA REMAINS IN EFFECT UNTIL 5 AM CDT... AT 1051 PM CDT RADAR INDICATED A LARGE AREA OF RAIN WITH EMBEDDED STRONG THUNDERSTORMS WEST OF A LINE FROM PRENTISS TO EDINBURG MISSISSIPPI TO HAMILTON ALABAMA. THE STRONGEST THUNDERSTORM WAS INDICATED NORTH OF VICKSBURG MISSISSIPPI. THE AREA WAS MOVING NORTHEAST AT 35 MPH. = PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD REMAIN ALERT FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Apr 29, 1:11 AM CDT, 26 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 28, 7:07 PM CDT | Severe Thunderstorm Warning | JAN | Amite, Franklin | 38 min |
| Apr 28, 7:26 PM CDT | Severe Thunderstorm Warning | JAN | Wilkinson | 49 min |
| Apr 28, 7:47 PM CDT | Severe Thunderstorm Warning | JAN | Amite | 28 min |
| Apr 28, 8:20 PM CDT | Severe Thunderstorm Warning | JAN | Franklin | 40 min |
| Apr 28, 9:13 PM CDT | Flash Flood Warning | JAN | Humphreys, Sharkey, Sunflower, Washington | 2 hr |
| Apr 28, 9:13 PM CDT | Flash Flood Warning | JAN | Issaquena | 2 hr |
| Apr 28, 9:13 PM CDT | Flash Flood Warning | JAN | Bolivar | 2 hr |
| Apr 28, 9:13 PM CDT | Severe Thunderstorm Warning | JAN | Bolivar, Humphreys, Sunflower, Washington | 2 hr |
| Apr 28, 9:13 PM CDT | Severe Thunderstorm Warning | JAN | Issaquena, Sharkey | 2 hr |
| Apr 28, 10:04 PM CDT | Flash Flood Warning | JAN | Yazoo | 116 min |
| Apr 28, 10:04 PM CDT | Flash Flood Warning | JAN | Leflore, Tallahatchie | 116 min |
| Apr 28, 10:04 PM CDT | Severe Thunderstorm Warning | JAN | Leflore, Tallahatchie | 116 min |
| Apr 28, 10:04 PM CDT | Severe Thunderstorm Warning | JAN | Yazoo | 116 min |
| Apr 28, 10:15 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 60 min |
| Apr 28, 10:30 PM CDT | Flash Flood Warning | JAN | Carroll, Holmes | 2 hr |
| Apr 28, 10:30 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes | 2 hr |
| Apr 28, 10:49 PM CDT | Tornado Warning | JAN | Yazoo | 26 min |
| Apr 28, 11:15 PM CDT | Flash Flood Warning | JAN | Bolivar, Humphreys, Sunflower, Washington | 3 hr |
| Apr 28, 11:15 PM CDT | Flash Flood Warning | JAN | Issaquena, Sharkey | 3 hr |
| Apr 28, 11:45 PM CDT | Flash Flood Warning | JAN | Warren | 2 hr |
| Apr 28, 11:45 PM CDT | Severe Thunderstorm Warning | JAN | Warren | 2 hr |
| Apr 29, 12:02 AM CDT | Flash Flood Warning | JAN | Warren, Yazoo | 3 hr |
| Apr 29, 1:48 AM CDT | Severe Thunderstorm Warning | JAN | Adams, Claiborne, Jefferson | 57 min |
| Apr 29, 1:48 AM CDT | Severe Thunderstorm Warning | JAN | Warren | 57 min |
| Apr 29, 1:59 AM CDT | Severe Thunderstorm Warning | JAN | Humphreys, Sharkey, Yazoo | 61 min |
| Apr 29, 2:16 AM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes, Leflore | 44 min |
| Apr 29, 2:26 AM CDT | Flash Flood Warning | JAN | Bolivar, Humphreys, Issaquena, Sharkey, Sunflower, Washington | 4 hr |
| Apr 29, 2:59 AM CDT | Severe Thunderstorm Warning | JAN | Hinds, Madison | 61 min |
| Apr 29, 3:07 AM CDT | Flash Flood Warning | JAN | Carroll, Holmes, Leflore, Yazoo | 3 hr |
| Apr 29, 4:43 AM CDT | Flash Flood Warning | JAN | Attala | 3 hr |
| Apr 29, 3:05 PM CDT | Flash Flood Warning | JAN | Covington, Jefferson Davis | 115 min |
| Apr 29, 3:05 PM CDT | Flash Flood Warning | JAN | Lawrence, Marion, Walthall | 115 min |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Jefferson Davis, Lawrence, Marion, Simpson, Walthall | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Covington, Forrest, Lamar | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Smith | 4 hr |
| Apr 29, 4:57 PM CDT | Flash Flood Warning | JAN | Pike | 4 hr |
| Apr 29, 5:36 PM CDT | Flash Flood Warning | JAN | Neshoba | 3 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.