Alert archive / Mississippi / Flash Flood Warnings in 1991

Flash Flood Warning 26, NWS Jackson, MS

March 29, 1991Newton County, Mississippi

NWS Jackson, MS issued this flash flood warning at Mar 29, 1991, 3:25 AM CST for Newton County, Mississippi. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Mar 29, 1991, 3:25 AM CST (09:25 UTC)
Expired
Mar 29, 1991, 7:30 AM CST
In force
4 hr
Issued by
NWS Jackson, MS
Area
Whole counties

County Newton County, MS

The nearest sounding before it

Centreville/Bibb, AL (KCKL), launched 00:00Z, 9.4 hours before the alert went out and 188 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, Centreville/Bibb, AL at 00:00Z on 1991-03-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 93 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, Centreville/Bibb, AL at 00:00Z on 1991-03-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 243 square meters per square second.1939587897117Sfc1 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
93 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
243 m²/s²
0-3 km storm-relative helicity
369 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.2

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 10:00 PM CSTSevere Thunderstorm WarningJANWarren45 min
Mar 28, 10:29 PM CSTSevere Thunderstorm WarningJANClaiborne, Jefferson46 min
Mar 28, 10:48 PM CSTSevere Thunderstorm WarningJANHinds, Madison42 min
Mar 28, 11:16 PM CSTSevere Thunderstorm WarningJANClaiborne29 min
Mar 28, 11:50 PM CSTSevere Thunderstorm WarningJANHinds55 min
Mar 29, 12:08 AM CSTSevere Thunderstorm WarningJANCopiah37 min
Mar 29, 12:21 AM CSTSevere Thunderstorm WarningJANRankin69 min
Mar 29, 12:43 AM CSTSevere Thunderstorm WarningJANScott62 min
Mar 29, 1:13 AM CSTSevere Thunderstorm WarningJANNeshoba, Newton62 min
Mar 29, 2:05 AM CSTSevere Thunderstorm WarningJANKemper55 min
Mar 29, 2:17 AM CSTSevere Thunderstorm WarningJANNewton43 min
Mar 29, 2:25 AM CSTFlash Flood WarningJANHinds, Rankin3 hr
Mar 29, 2:42 AM CSTSevere Thunderstorm WarningJANLauderdale48 min
Mar 29, 2:37 AM CSTSevere Thunderstorm WarningJANSumter38 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.