Alert archive / Arkansas / Flash Flood Warnings in 2001

Flash Flood Warning 92, NWS Jackson, MS

November 26, 2001Ashley County, Arkansas

NWS Jackson, MS issued this flash flood warning at Nov 26, 2001, 11:30 PM CST for Ashley 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 outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: Nov 26, 2001, 11:30 PM CST (05:30 UTC)
Expired: Nov 27, 2001, 2:30 AM CST
In force: 3 hr
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Ashley County, AR

The radar

The Little Rock radar (KLZK), 185 km from the middle of the area, began a volume at 05:31 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

Jackson, MS (KJAN), launched 00:00Z, 5.5 hours before the alert went out and 189 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: 1466 J/kg
Mixed-layer CIN: -15 J/kg
Mixed-layer LCL: 728 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 188 m²/s²
0-3 km storm-relative helicity: 241 m²/s²
Significant tornado parameter: 1.4
Supercell composite: 10.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KJAN 270533
FFWJAN
ARC003-270830-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1130 PM CST MON NOV 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  ASHLEY COUNTY IN SOUTHEAST ARKANSAS

* UNTIL 230 AM CST

* AT 1130 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED           
  THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR HAMBURG AND ACROSS    
  CENTRAL ASHLEY COUNTY...MOVING NORTHEAST AT 35 MPH.

RADAR ESTIMATED RAINFALL AMOUNTS OF...4 TO 5 INCHES HAVE FALLEN 
SINCE 8 PM. AN ADDITIONAL 2 INCHES WILL BE POSSIBLE AS THESE 
THUNDERSTORMS MOVE OVER THE AREA.

VERY HEAVY RAIN FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS AND STREAMS AND OTHER
LOW LYING AREAS ARE SUBJECT TO FLASH FLOODING.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS.

LAT...LON 3312 9207 3308 9148 3337 9146 3337 9195

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 26, 6:14 PM CST	Tornado Warning	JAN	Chicot	46 min
Nov 26, 8:41 PM CST	Severe Thunderstorm Warning	JAN	Ashley	64 min
Nov 26, 9:26 PM CST	Severe Thunderstorm Warning	JAN	Chicot	49 min
Nov 26, 9:35 PM CST	Tornado Warning	JAN	Chicot	40 min
Nov 26, 9:43 PM CST	Severe Thunderstorm Warning	JAN	Ashley	62 min
Nov 26, 10:34 PM CST	Severe Thunderstorm Warning	JAN	Chicot	41 min

Nearby

Flash Flood Warnings in Arkansas, 2001 Every flash flood warning in 2001

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.