Alert archive / Arkansas / Flash Flood Warnings in 2001
Flash Flood Warning 101, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Dec 12, 2001, 3:00 PM CST for Ashley County, Chicot County, Arkansas; Bolivar County, Washington County, Mississippi; Morehouse Parish, Louisiana. It was in force for 2 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
- Dec 12, 2001, 3:00 PM CST (21:00 UTC)
- Expired
- Dec 12, 2001, 5:00 PM CST
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Ashley County, AR, Chicot County, AR, Morehouse Parish, LA, Bolivar County, MS, Washington County, MS
The radar
The Little Rock radar (KLZK), 179 km from the middle of the area, began a volume at 21:04 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 12:00Z, 9.0 hours before the alert went out and 171 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1218 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 325 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WGUS54 KJAN 122103
FFWJAN
ARC003-017-LAC067-MSC011-151-122300-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
300 PM CST WED DEC 12 2001
THE NATIONAL WEATHER SERVICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CHICOT COUNTY IN SOUTHEAST ARKANSAS
ASHLEY COUNTY IN SOUTHEAST ARKANSAS
MOREHOUSE PARISH IN NORTHEAST LOUISIANA
BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI
WASHINGTON COUNTY IN NORTHWEST MISSISSIPPI
* UNTIL 500 PM CST
* AT 259 PM CST...WEATHER SERVICE DOPPLER RADAR INDICATED HEAVY
RAIN OVER MUCH OF WARNING AREA...MOVING NORTHEAST AT 35 MPH.
RAIN WILL GRADUALLY BE DIMINISHING OVER THE WARNING AREA DURING
THE REMAINDER OF THE AFTERNOON HOURS. HOWEVER...FLASH FLOODING OF
CREEKS...STREAMS...AND LOW LYING AREAS HAS ALREADY BEEN
REPORTED...AND ADDITIONAL RAINFALL OF UP TO AN INCH WILL AGGRAVATE
THE FLOODING SITUATION.
DO NOT DRIVE THROUGH AREAS WHERE WATER COVERS THE ROADWAY
LAT...LON 3299 9193 3270 9186 3338 9092 3373 9070
3413 9074 3384 9120 3338 9185The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 12, 12:57 PM CST | Flash Flood Warning | JAN | Ashley, Chicot | 2 hr |
| Dec 12, 3:20 PM CST | Tornado Warning | JAN | Warren | 55 min |
| Dec 12, 4:15 PM CST | Tornado Warning | JAN | Warren | 45 min |
| Dec 12, 4:26 PM CST | Tornado Warning | JAN | Hinds | 34 min |
| Dec 12, 4:50 PM CST | Tornado Warning | JAN | Madison, Yazoo | 55 min |
| Dec 12, 1:55 PM CST | Tornado Warning | JAN | Catahoula | 50 min |
| Dec 12, 2:27 PM CST | Tornado Warning | JAN | Franklin, Tensas | 63 min |
| Dec 12, 3:30 PM CST | Tornado Warning | JAN | Tensas | 45 min |
Nearby
Flash Flood Warnings in Arkansas, 2001Flash Flood Warnings in Mississippi, 2001Flash Flood Warnings in Louisiana, 2001Every 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.