Alert archive / Mississippi / Flash Flood Warnings in 1991

Flash Flood Warning 71, NWS Jackson, MS

May 5, 19914 counties in Mississippi

NWS Jackson, MS issued this flash flood warning at May 5, 1991, 4:39 PM CDT for 4 counties in Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued: May 5, 1991, 4:39 PM CDT (21:39 UTC)
Expired: May 5, 1991, 6:45 PM CDT
In force: 2 hr
Issued by: NWS Jackson, MS
Area: Whole counties

Counties Copiah County, MS, Lawrence County, MS, Lincoln County, MS, Simpson County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.7 hours before the alert went out and 171 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1673 J/kg
Mixed-layer CIN: -280 J/kg
Mixed-layer LCL: 925 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 378 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.5

Open this sounding in Storm Lab

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

Local storm report, May 5, 1:48 PM CDT, 2 hours 51 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
145 PM CDT SUN MAY 5 1991

1235 PM CDT...JONES COUNTY C. D. REPORTS TREES AND POWER LINES
              DOWN 5 MILES NORTH OF LAUREL MISSISSIPPI.

1242 PM CDT...LAUDERDALE COUNTY C. D. REPORTS NICKEL SIZE HAIL
              6 MILES SOUTHEAST OF MERIDIAN MISSISSIPPI.

Local storm report, May 5, 1:57 PM CDT, 2 hours 42 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
154 PM CDT SUN MAY 5 1991

100 PM CDT...CHOCTAW COUNTY SHERIFFS OFFICE REPORTS PENNY SIZE
             HAIL 14 MILES SSW OF BUTLER ALABAMA.

Local storm report, May 5, 2:06 PM CDT, 2 hours 33 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
205 PM CDT SUN MAY 5 1991

1205 PM CDT...KEMPER COUNTY SHERIFFS OFFICE REPORTS NUMEROUS TREES
              DOWN 6 MILES SOUTH OF DEKALB AND 8 MILES SOUTHWEST
              OF DEKALB MISSISSIPPI.

Local storm report, May 5, 2:19 PM CDT, 2 hours 20 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
215 PM CDT SUN MAY 5 1991

120 PM CDT...SUMTER COUNTY C. D. REPORTS TREES DOWN IN CUBA ALABAMA
             (10 MILES SOUTHWEST OF LIVINGSTON ALABAMA).

Special weather statement, May 5, 2:58 PM CDT, 1 hour 41 minutes before

MSZ009-012-ALZ008-013-052200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MERIDIAN MS
255 PM CDT SUN MAY 5 1991

...SEVERE THUNDERSTORM WATCH NUMBER 287 WHICH INCLUDES CLARKE...JONES
...AND WAYNE COUNTIES IN EAST CENTRAL MISSISSIPPI REMAINS IN EFFECT
UNTIL 700 PM CDT...

...SEVERE THUNDERSTORM WATCH NUMBER 286 HAS BEEN CANCELLED...

AT 245 PM CDT RADAR INDICATED A LARGE AREA OF RAIN WITH EMBEDDED VERY
STRONG THUNDERSTORMS SOUTHEAST OF A LINE FROM FAYETTE TO PHILADELPHIA
MISSISSIPPI TO WINFIELD ALABAMA.

THE STRONGEST THUNDERSTORM WAS LOCATED NORTHEAST OF LAUREL
MISSISSIPPI.

THE ENTIRE AREA WAS MOVING SOUTHEAST AT 20 MPH.

PERSONS IN AND CLOSE TO THE WATCH AREA SHOULD RE
MAIN ALERT FOR LATER
STATEMENTS AND POSSIBLE WARNINGS.

Local storm report, May 5, 4:16 PM CDT, 23 minutes before

STORM REPORT
NATIONAL WEATHER SERVICE JACKSON MS
415 PM CDT SUN MAY 5 1991

TIME (CDT)     PLACE                            EVENT

0830-0930AM    NEAR CHARLESTON              1.8 INCHES OF RAIN IN 1 HR
               TALLAHATCHIE COUNTY          AS RPTD BY STATE E.O.C.

0849AM         NEAR MINTER CITY             NICKEL SIZE HAIL COVERING
               LEFLORE COUNTY               PART OF A COUNTY ROAD FM C.D.

0905AM         GREENWOOD AIRPORT            WIND GUST 52KT FROM SAO
               CARROLL COUNTY

1015AM         6 MI E OF COFFEEVILLE        POSSIBLE TORNADO DAMAGE TO 5
               YALOBUSHA COUNTY             COTTON TRAILERS, ONE HOUSE WITH
                                x            SHINGLE DAMAGE, ONE MOBILE HOME
                                            USED AS VOTING PRECINCT DESTROYED
                                            1 INCH RAIN IN 1 HOUR AT 1000AM.

The office that day

Everything else NWS Jackson, MS issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 5, 1:45 AM CDT	Flash Flood Warning	JAN	Bolivar, Issaquena, Sharkey, Sunflower, Washington	4 hr
May 5, 2:08 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	67 min
May 5, 2:30 AM CDT	Severe Thunderstorm Warning	JAN	Leflore, Sunflower	60 min
May 5, 2:46 AM CDT	Flash Flood Warning	JAN	Humphreys, Leflore	3 hr
May 5, 2:46 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada	3 hr
May 5, 7:45 AM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	2 hr
May 5, 8:27 AM CDT	Flash Flood Warning	JAN	Leflore, Sunflower, Tallahatchie	2 hr
May 5, 8:27 AM CDT	Flash Flood Warning	JAN	Humphreys	2 hr
May 5, 8:27 AM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Leflore, Sunflower, Tallahatchie	2 hr
May 5, 8:50 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey	115 min
May 5, 8:56 AM CDT	Flash Flood Warning	JAN	Carroll, Grenada	2 hr
May 5, 8:56 AM CDT	Flash Flood Warning	JAN	Yalobusha	2 hr
May 5, 8:56 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada	2 hr
May 5, 8:56 AM CDT	Severe Thunderstorm Warning	JAN	Yalobusha	2 hr
May 5, 9:44 AM CDT	Flash Flood Warning	JAN	Holmes, Yazoo	2 hr
May 5, 10:08 AM CDT	Flash Flood Warning	JAN	Warren	2 hr
May 5, 10:08 AM CDT	Severe Thunderstorm Warning	JAN	Warren	2 hr
May 5, 10:37 AM CDT	Flash Flood Warning	JAN	Attala, Choctaw	3 hr
May 5, 10:57 AM CDT	Severe Thunderstorm Warning	JAN	Winston	48 min
May 5, 11:04 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	41 min
May 5, 11:26 AM CDT	Flash Flood Warning	JAN	Issaquena, Sharkey	2 hr
May 5, 11:26 AM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	2 hr
May 5, 11:40 AM CDT	Severe Thunderstorm Warning	JAN	Kemper	65 min
May 5, 11:46 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	59 min
May 5, 11:48 AM CDT	Flash Flood Warning	JAN	Hinds, Yazoo	3 hr
May 5, 11:48 AM CDT	Flash Flood Warning	JAN	Rankin	3 hr
May 5, 12:20 PM CDT	Severe Thunderstorm Warning	JAN	Jones	55 min
May 5, 12:26 PM CDT	Severe Thunderstorm Warning	JAN	Jasper, Lauderdale	64 min
May 5, 12:42 PM CDT	Severe Thunderstorm Warning	JAN	Clarke	63 min
May 5, 1:28 PM CDT	Severe Thunderstorm Warning	JAN	Wayne	47 min
May 5, 2:59 PM CDT	Severe Thunderstorm Warning	JAN	Wilkinson	46 min
May 5, 3:49 PM CDT	Flash Flood Warning	JAN	Adams, Wilkinson	116 min
May 5, 4:55 PM CDT	Severe Thunderstorm Warning	JAN	Pike, Walthall	50 min
May 5, 4:57 PM CDT	Severe Thunderstorm Warning	JAN	Forrest, Lamar	48 min
May 5, 5:12 PM CDT	Severe Thunderstorm Warning	JAN	Jefferson Davis, Marion	48 min
May 5, 12:46 PM CDT	Severe Thunderstorm Warning	JAN	Choctaw	59 min
May 5, 1:19 PM CDT	Severe Thunderstorm Warning	JAN	Sumter	56 min

Nearby

Flash Flood Warnings in Mississippi, 1991 Every 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.