Alert archive / Arkansas / Flash Flood Warnings in 1997

Flash Flood Warning 10, NWS Little Rock, AR

March 2, 1997Desha County, Arkansas

NWS Little Rock, AR issued this flash flood warning at Mar 2, 1997, 12:47 AM CST for Desha County, Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 2, 1997, 12:47 AM CST (06:47 UTC)
Expired
Mar 2, 1997, 3:35 AM CST
In force
3 hr
Issued by
NWS Little Rock, AR
Area
Whole counties

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 06:48 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 6.8 hours before the alert went out and 163 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, Little Rock, AR at 00:00Z on 1997-03-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 491 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, Little Rock, AR at 00:00Z on 1997-03-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 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
491 J/kg
Mixed-layer CIN
-31 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.7

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, Mar 1, 9:16 PM CST, 3 hours 31 minutes before
ARZ036-047>049-056>058-063>069-071>073-020415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
916 PM CST SAT MAR 1 1997

...TORNADO WATCH ISSUED FOR PARTS OF EASTERN AND SOUTHERN ARKANSAS UNTIL
300 AM CST...

AT 900 PM CST...SHOWERS AND THUNDERSTORMS CONTINUED IN EASTERN AND
SOUTHERN ARKANSAS...AHEAD OF A SLOW-MOVING COLD FRONT. A SEVERE
THUNDERSTORM WARNING WAS IN EFFECT IN ARKANSAS COUNTY UNTIL 940 PM.

THE ATMOSPHERE REMAINED VERY UNSTABLE WITH WARM HUMID AIR AHEAD OF THE
COLD FRONT.

SOME OF THUNDERSTORMS WILL HAVE THE POTENTIAL TO REACH SEVERE LEVELS
UNTIL THE COLD FRONT MOVES FULLY EAST OF ARKANSAS LATE TONIGHT.

31
Special weather statement, Mar 1, 9:18 PM CST, 3 hours 29 minutes before
ARZ036-047>049-056>058-063>069-071>073-020415-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
916 PM CST SAT MAR 1 1997

...TORNADO WATCH ISSUED FOR PARTS OF EASTERN AND SOUTHERN ARKANSAS UNTIL
300 AM CST...

AT 900 PM CST...SHOWERS AND THUNDERSTORMS CONTINUED IN EASTERN AND
SOUTHERN ARKANSAS...AHEAD OF A SLOW-MOVING COLD FRONT. A SEVERE
THUNDERSTORM WARNING WAS IN EFFECT IN ARKANSAS COUNTY UNTIL 940 PM.

THE ATMOSPHERE REMAINED VERY UNSTABLE WITH WARM HUMID AIR AHEAD OF THE
COLD FRONT.

SOME OF THUNDERSTORMS WILL HAVE THE POTENTIAL TO REACH SEVERE LEVELS
UNTIL THE COLD FRONT MOVES FULLY EAST OF ARKANSAS LATE TONIGHT.

31

The office that day

Everything else NWS Little Rock, AR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 1, 6:33 PM CSTSevere Thunderstorm WarningLZKCleveland32 min
Mar 1, 6:39 PM CSTSevere Thunderstorm WarningLZKWoodruff51 min
Mar 1, 6:52 PM CSTSevere Thunderstorm WarningLZKJefferson33 min
Mar 1, 7:23 PM CSTFlash Flood WarningLZKJackson, White, Woodruff3 hr
Mar 1, 7:40 PM CSTFlash Flood WarningLZKArkansas, Jefferson, Lonoke3 hr
Mar 1, 7:40 PM CSTFlash Flood WarningLZKMonroe, Prairie3 hr
Mar 1, 8:00 PM CSTSevere Thunderstorm WarningLZKCleveland35 min
Mar 1, 9:07 PM CSTSevere Thunderstorm WarningLZKArkansas33 min
Mar 1, 10:25 PM CSTFlash Flood WarningLZKArkansas, Monroe3 hr
Mar 1, 10:25 PM CSTFlash Flood WarningLZKCleveland, Jefferson, Lincoln3 hr
Mar 2, 12:47 AM CSTFlash Flood WarningLZKBradley, Drew3 hr
Mar 2, 3:31 AM CSTFlash Flood WarningLZKDesha, Drew3 hr
Mar 2, 3:31 AM CSTFlash Flood WarningLZKBradley3 hr
Mar 2, 2:20 PM CSTSevere Thunderstorm WarningLZKClark65 min
Mar 2, 3:25 PM CSTSevere Thunderstorm WarningLZKFranklin50 min

Nearby

Flash Flood Warnings in Arkansas, 1997Every flash flood warning in 1997

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; radar from the NEXRAD Level II archive.