Alert archive / Mississippi / Flash Flood Warnings in 1991

Flash Flood Warning 65, NWS Jackson, MS

May 5, 1991Warren County, Mississippi

NWS Jackson, MS issued this flash flood warning at May 5, 1991, 10:08 AM CDT for Warren County, Mississippi. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
May 5, 1991, 10:08 AM CDT (15:08 UTC)
Expired
May 5, 1991, 12:15 PM CDT
In force
2 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Warren County, MS

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 3.1 hours before the alert went out and 259 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-pSkew-T log-p diagram, Slidell Radar S, LA at 12:00Z on 1991-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1673 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 12:00Z on 1991-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 152 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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

Special weather statement, May 5, 4:21 AM CDT, 5 hours 47 minutes before
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Special weather statement, May 5, 5:53 AM CDT, 4 hours 15 minutes before
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Special weather statement, May 5, 6:14 AM CDT, 3 hours 54 minutes before
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Special weather statement, May 5, 7:27 AM CDT, 2 hours 41 minutes before
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Special weather statement, May 5, 9:28 AM CDT, 40 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 1:45 AM CDTFlash Flood WarningJANBolivar, Issaquena, Sharkey, Sunflower, Washington4 hr
May 5, 2:08 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey67 min
May 5, 2:30 AM CDTSevere Thunderstorm WarningJANLeflore, Sunflower60 min
May 5, 2:46 AM CDTFlash Flood WarningJANHumphreys, Leflore3 hr
May 5, 2:46 AM CDTFlash Flood WarningJANCarroll, Grenada3 hr
May 5, 7:45 AM CDTFlash Flood WarningJANBolivar, Sunflower, Washington2 hr
May 5, 8:27 AM CDTFlash Flood WarningJANLeflore, Sunflower, Tallahatchie2 hr
May 5, 8:27 AM CDTFlash Flood WarningJANHumphreys2 hr
May 5, 8:27 AM CDTSevere Thunderstorm WarningJANHumphreys, Leflore, Sunflower, Tallahatchie2 hr
May 5, 8:50 AM CDTFlash Flood WarningJANIssaquena, Sharkey115 min
May 5, 8:56 AM CDTFlash Flood WarningJANCarroll, Grenada2 hr
May 5, 8:56 AM CDTFlash Flood WarningJANYalobusha2 hr
May 5, 8:56 AM CDTSevere Thunderstorm WarningJANCarroll, Grenada2 hr
May 5, 8:56 AM CDTSevere Thunderstorm WarningJANYalobusha2 hr
May 5, 9:44 AM CDTFlash Flood WarningJANHolmes, Yazoo2 hr
May 5, 10:08 AM CDTSevere Thunderstorm WarningJANWarren2 hr
May 5, 10:37 AM CDTFlash Flood WarningJANAttala, Choctaw3 hr
May 5, 10:57 AM CDTSevere Thunderstorm WarningJANWinston48 min
May 5, 11:04 AM CDTSevere Thunderstorm WarningJANNeshoba41 min
May 5, 11:26 AM CDTFlash Flood WarningJANIssaquena, Sharkey2 hr
May 5, 11:26 AM CDTSevere Thunderstorm WarningJANIssaquena, Sharkey2 hr
May 5, 11:40 AM CDTSevere Thunderstorm WarningJANKemper65 min
May 5, 11:46 AM CDTSevere Thunderstorm WarningJANNeshoba59 min
May 5, 11:48 AM CDTFlash Flood WarningJANHinds, Yazoo3 hr
May 5, 11:48 AM CDTFlash Flood WarningJANRankin3 hr
May 5, 12:20 PM CDTSevere Thunderstorm WarningJANJones55 min
May 5, 12:26 PM CDTSevere Thunderstorm WarningJANJasper, Lauderdale64 min
May 5, 12:42 PM CDTSevere Thunderstorm WarningJANClarke63 min
May 5, 1:28 PM CDTSevere Thunderstorm WarningJANWayne47 min
May 5, 2:59 PM CDTSevere Thunderstorm WarningJANWilkinson46 min
May 5, 3:49 PM CDTFlash Flood WarningJANAdams, Wilkinson116 min
May 5, 4:39 PM CDTFlash Flood WarningJANCopiah, Lawrence, Lincoln, Simpson2 hr
May 5, 4:55 PM CDTSevere Thunderstorm WarningJANPike, Walthall50 min
May 5, 4:57 PM CDTSevere Thunderstorm WarningJANForrest, Lamar48 min
May 5, 5:12 PM CDTSevere Thunderstorm WarningJANJefferson Davis, Marion48 min
May 5, 12:46 PM CDTSevere Thunderstorm WarningJANChoctaw59 min
May 5, 1:19 PM CDTSevere Thunderstorm WarningJANSumter56 min

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.