Alert archive / Mississippi / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 201, NWS Jackson, MS

April 28, 1991Pike County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Apr 28, 1991, 4:43 PM CDT for Pike County, Mississippi. It was in force for 32 min.

The area

The counties it named.

The facts

Issued: Apr 28, 1991, 4:43 PM CDT (21:43 UTC)
Expired: Apr 28, 1991, 5:15 PM CDT
In force: 32 min
Issued by: NWS Jackson, MS
Area: Whole counties

County Pike County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.7 hours before the alert went out and 123 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: 1628 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 640 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 213 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 8.4

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 severe thunderstorm 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, Apr 28, 1:27 PM CDT, 3 hours 16 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
125 PM CDT SUN APR 28 1991

110 PM...LAUDERDALE S.O. REPORTS TREES DOWN NEAR COLLINSVILLE AND DUFFY
         IN NORTHWEST LAUDERDALE COUNTY.

Local storm report, Apr 28, 1:34 PM CDT, 3 hours 9 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
133 PM CDT SUN APR 28 1991

125 PM...LAUDERDALE CIVIL DEFENSE REPORTS NICKEL SIZE HAIL AT WEST
         LAUDERDALE SCHOOL.

Local storm report, Apr 28, 1:39 PM CDT, 3 hours 4 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
138 PM CDT SUN APR 28 1991

135 PM...PHILADELPHIA P.D. REPORTS DIME SIZE HAIL IN CITY.

134 PM...NESHOBA C.D. REPORTS DIME SIZE HAIL 1 MILE NORTH OF
         PHILDELPHIA.

Special weather statement, Apr 28, 2:23 PM CDT, 2 hours 20 minutes before

MSZALL-282030-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
222 PM CDT SUN APR 28 1991

TORNADO WATCH NUMBER 223 REMAINS IN EFFECT UNTIL 900 PM CDT FOR MOST
OF THE SOUTHERN TWO THIRDS OF MISSISSIPPI. THE WATCH AREA COVERS ALL
OF THE STATE ALONG AND SOUTH OF A LINE FROM ROLLING FORK TO YAZOO CITY
TO PHILADELPHIA.

AT 215 PM CDT JACKSON RADAR INDICATED VERY STRONG STORMS IN CENTRAL
MISSISSIPPI OVER YAZOO AND SHARKEY COUNTIES...AND IN SOUTH MISSISSIPPI
OVER FRANKLIN...LINCOLN AND LAWRENCE COUNTIES.

THESE STORMS CONTINUE TO INCREASE IN INTENSITY...AND WILL BE
ACCOMPANIED BY STRONG GUSTY WINDS IN EXCESS OF 45 MILES AN
HOUR...BRIEF TORRENTIAL RAIN...FREQUENT CLOUD TO GROUND LIGHTNINGT AND
HAIL AS THEY MOVE TO THE NORTHEAST AT 30 MILES AN HOUR.

ELSEHWERE PATCHES OF LIGHT RAIN AND WIDELY SCATTERED THUNDERSTORMS
CONTINUED OVER MUCH OF CENTRAL AND SOUTH MISSISSIPPI.

Local storm report, Apr 28, 3:12 PM CDT, 1 hour 31 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
309 PM CDT SUN APR 28 1991

...LATE REPORTS FOR SUMTER CO. ALABAMA 4/28/91...

1115 AM CDT...SUMTER CO. C.D. REPORTS NUMEROUS TREES DOWN OUTSIDE CU3BA.
              ON CITY ROAD 21 TREES BLOWN DOWN ON HOME...NO INJURIES.
              ON I-20 NEAR EPES EXIT CARS BLOWN OFF ROAD...NO INJURIES.

Local storm report, Apr 28, 3:18 PM CDT, 1 hour 25 minutes before

LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MERIDIAN MS
315 PM CDT SUN APR 28 1991

225 PM CDT...LAUDERDALE COUNTY S. O. REPORTS NICKEL-SIZE HAIL
             15 MILES NORTH NORTHWEST OF MERIDIAN MISSISSI?PPI NEAR
             DUFFEE MISSISSIPPI.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 9:29 PM CDT	Severe Thunderstorm Warning	JAN	Sunflower, Washington	46 min
Apr 27, 10:01 PM CDT	Severe Thunderstorm Warning	JAN	Leflore, Tallahatchie	44 min
Apr 27, 10:21 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys	54 min
Apr 27, 10:42 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	48 min
Apr 27, 10:47 PM CDT	Severe Thunderstorm Warning	JAN	Holmes	43 min
Apr 27, 11:07 PM CDT	Severe Thunderstorm Warning	JAN	Attala	53 min
Apr 27, 11:25 PM CDT	Severe Thunderstorm Warning	JAN	Humphreys, Yazoo	35 min
Apr 27, 11:45 PM CDT	Tornado Warning	JAN	Grenada	30 min
Apr 27, 11:49 PM CDT	Severe Thunderstorm Warning	JAN	Winston	56 min
Apr 28, 12:01 AM CDT	Severe Thunderstorm Warning	JAN	Choctaw, Webster	29 min
Apr 28, 3:11 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar	49 min
Apr 28, 3:30 AM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	30 min
Apr 28, 4:11 AM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Washington	64 min
Apr 28, 5:08 AM CDT	Severe Thunderstorm Warning	JAN	Sunflower	52 min
Apr 28, 5:16 AM CDT	Flash Flood Warning	JAN	Bolivar, Washington	3 hr
Apr 28, 6:49 AM CDT	Severe Thunderstorm Warning	JAN	Carroll, Grenada	41 min
Apr 28, 6:56 AM CDT	Severe Thunderstorm Warning	JAN	Holmes	34 min
Apr 28, 7:12 AM CDT	Severe Thunderstorm Warning	JAN	Attala, Montgomery	48 min
Apr 28, 7:47 AM CDT	Severe Thunderstorm Warning	JAN	Calhoun, Choctaw, Webster	43 min
Apr 28, 7:52 AM CDT	Severe Thunderstorm Warning	JAN	Winston	68 min
Apr 28, 8:01 AM CDT	Severe Thunderstorm Warning	JAN	Yazoo	44 min
Apr 28, 8:10 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	65 min
Apr 28, 8:55 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee	65 min
Apr 28, 8:58 AM CDT	Severe Thunderstorm Warning	JAN	Winston	32 min
Apr 28, 9:36 AM CDT	Flash Flood Warning	JAN	Hinds, Warren	3 hr
Apr 28, 10:00 AM CDT	Severe Thunderstorm Warning	JAN	Neshoba	30 min
Apr 28, 10:32 AM CDT	Severe Thunderstorm Warning	JAN	Kemper, Lauderdale	43 min
Apr 28, 10:32 AM CDT	Severe Thunderstorm Warning	JAN	Noxubee	43 min
Apr 28, 12:00 PM CDT	Flash Flood Warning	JAN	Hinds	60 min
Apr 28, 12:38 PM CDT	Severe Thunderstorm Warning	JAN	Leake, Scott	52 min
Apr 28, 12:58 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	47 min
Apr 28, 1:12 PM CDT	Severe Thunderstorm Warning	JAN	Neshoba	63 min
Apr 28, 1:38 PM CDT	Severe Thunderstorm Warning	JAN	Yazoo	52 min
Apr 28, 1:46 PM CDT	Severe Thunderstorm Warning	JAN	Issaquena, Sharkey	44 min
Apr 28, 1:46 PM CDT	Severe Thunderstorm Warning	JAN	Lauderdale	44 min
Apr 28, 2:06 PM CDT	Severe Thunderstorm Warning	JAN	Newton	39 min
Apr 28, 2:17 PM CDT	Tornado Warning	JAN	Lauderdale	43 min
Apr 28, 2:31 PM CDT	Severe Thunderstorm Warning	JAN	Copiah, Lincoln	44 min
Apr 28, 2:50 PM CDT	Tornado Warning	JAN	Copiah	40 min
Apr 28, 3:10 PM CDT	Severe Thunderstorm Warning	JAN	Lawrence	50 min
Apr 28, 3:22 PM CDT	Severe Thunderstorm Warning	JAN	Simpson	53 min
Apr 28, 3:35 PM CDT	Tornado Warning	JAN	Copiah	10 min
Apr 28, 3:35 PM CDT	Tornado Warning	JAN	Hinds	40 min
Apr 28, 3:38 PM CDT	Severe Thunderstorm Warning	JAN	Attala	52 min
Apr 28, 3:56 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	49 min
Apr 28, 4:35 PM CDT	Severe Thunderstorm Warning	JAN	Adams, Jefferson	50 min
Apr 28, 5:15 PM CDT	Severe Thunderstorm Warning	JAN	Carroll, Montgomery	45 min
Apr 28, 5:15 PM CDT	Severe Thunderstorm Warning	JAN	Webster	45 min
Apr 28, 5:19 PM CDT	Severe Thunderstorm Warning	JAN	Claiborne	26 min
Apr 28, 5:25 PM CDT	Severe Thunderstorm Warning	JAN	Leflore	35 min
Apr 28, 5:36 PM CDT	Severe Thunderstorm Warning	JAN	Warren	39 min
Apr 28, 5:40 PM CDT	Severe Thunderstorm Warning	JAN	Bolivar, Sunflower, Washington	50 min
Apr 28, 5:46 PM CDT	Severe Thunderstorm Warning	JAN	Hinds	44 min
Apr 28, 5:56 PM CDT	Severe Thunderstorm Warning	JAN	Newton	49 min
Apr 28, 6:01 PM CDT	Severe Thunderstorm Warning	JAN	Wilkinson	44 min
Apr 28, 6:11 PM CDT	Severe Thunderstorm Warning	JAN	Grenada, Leflore, Tallahatchie	49 min
Apr 28, 6:20 PM CDT	Tornado Warning	JAN	Neshoba	25 min
Apr 28, 6:27 PM CDT	Severe Thunderstorm Warning	JAN	Amite	48 min
Apr 28, 6:44 PM CDT	Flash Flood Warning	JAN	Bolivar, Sunflower, Washington	2 hr
Apr 28, 11:01 AM CDT	Severe Thunderstorm Warning	JAN	Sumter	44 min
Apr 28, 2:33 PM CDT	Severe Thunderstorm Warning	JAN	Sumter	42 min
Apr 28, 2:44 PM CDT	Tornado Warning	JAN	Sumter	46 min

Nearby

Severe Thunderstorm Warnings in Mississippi, 1991 Every severe thunderstorm 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.