Alert archive / Mississippi / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 784, NWS Jackson, MS

November 26, 2001Bolivar County, Mississippi

NWS Jackson, MS issued this severe thunderstorm warning at Nov 26, 2001, 9:35 PM CST for Bolivar County, Mississippi. It was in force for 55 min. 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, 9:35 PM CST (03:35 UTC)
Expired: Nov 26, 2001, 10:30 PM CST
In force: 55 min
Issued by: NWS Jackson, MS
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Bolivar County, MS

The radar

The Little Rock radar (KLZK), 153 km from the middle of the area, began a volume at 03:36 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Nov 26, 6:00 PM CST	Tornado Watch	SPC	5 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 3.6 hours before the alert went out and 133 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: 617 J/kg
Mixed-layer CIN: -2 J/kg
Mixed-layer LCL: 462 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 132 m²/s²
0-3 km storm-relative helicity: 189 m²/s²
Significant tornado parameter: 0.6
Supercell composite: 2.3

Open this sounding in Storm Lab

The text

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

319 
WUUS54 KJAN 270335
SVRJAN
MSC011-270430-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE JACKSON MS
935 PM CST MON NOV 26 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BOLIVAR COUNTY IN NORTHWEST MISSISSIPPI

* UNTIL 1030 PM CST

* AT 935 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM 3 MILES NORTHWEST OF ROSEDALE...MOVING       
  NORTHEAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL...
  BE NEAR GUNNISON AT 945 PM CST

A TORNADO WATCH IS ALSO IN EFFECT. TORNADOES CAN DEVELOP SUDDENLY
FROM SEVERE THUNDERSTORMS.

DAMAGING WINDS...HEAVY RAIN AND HAIL ARE LIKELY. SEEK SHELTER IN A
STURDY BUILDING AND STAY AWAY FROM WINDOWS.

LAT...LON 3392 9119 3378 9105 3404 9061 3422 9078

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 26, 6:22 PM CST	Severe Thunderstorm Warning	JAN	Humphreys, Sunflower, Washington	23 min
Nov 26, 6:41 PM CST	Severe Thunderstorm Warning	JAN	Sunflower	49 min
Nov 26, 6:46 PM CST	Tornado Warning	JAN	Washington	44 min
Nov 26, 7:09 PM CST	Severe Thunderstorm Warning	JAN	Leflore	51 min
Nov 26, 7:12 PM CST	Tornado Warning	JAN	Leflore, Sunflower	48 min
Nov 26, 10:13 PM CST	Tornado Warning	JAN	Bolivar	47 min
Nov 26, 10:34 PM CST	Severe Thunderstorm Warning	JAN	Washington	41 min
Nov 26, 10:49 PM CST	Severe Thunderstorm Warning	JAN	Sunflower	41 min
Nov 26, 10:59 PM CST	Severe Thunderstorm Warning	JAN	Bolivar	46 min
Nov 27, 6:35 AM CST	Flash Flood Warning	JAN	Adams, Claiborne, Jefferson	2 hr
Nov 27, 8:55 AM CST	Flash Flood Warning	JAN	Adams, Claiborne, Jefferson	3 hr
Nov 27, 12:44 PM CST	Severe Thunderstorm Warning	JAN	Covington, Jefferson Davis	46 min
Nov 27, 1:01 PM CST	Tornado Warning	JAN	Covington	29 min
Nov 27, 1:11 PM CST	Severe Thunderstorm Warning	JAN	Smith	49 min
Nov 27, 1:19 PM CST	Tornado Warning	JAN	Smith	41 min
Nov 27, 2:05 PM CST	Severe Thunderstorm Warning	JAN	Jasper	40 min
Nov 27, 3:04 PM CST	Flash Flood Warning	JAN	Covington, Jefferson Davis	3 hr

Nearby

Severe Thunderstorm Warnings in Mississippi, 2001 Every severe thunderstorm 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.