Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 106, NWS Shreveport, LA

May 31, 2001Nevada County, Arkansas

NWS Shreveport, LA issued this severe thunderstorm warning at May 31, 2001, 1:48 AM CDT for Nevada County, Arkansas. It was in force for 57 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: May 31, 2001, 1:48 AM CDT (06:48 UTC)
Expired: May 31, 2001, 2:45 AM CDT
In force: 57 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Nevada County, AR

The radar

The Shreveport radar (KSHV), 144 km from the middle of the area, began a volume at 06:47 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

Shreveport, LA (KSHV), launched 00:00Z, 6.8 hours before the alert went out and 138 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: 3712 J/kg
Mixed-layer CIN: -5 J/kg
Mixed-layer LCL: 1261 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 59 m²/s²
0-3 km storm-relative helicity: 105 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 10.4

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 severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 12:10 AM CDT, 1 hour 38 minutes earlier.

Area forecast discussion, May 31, 12:10 AM CDT, 1 hour 38 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SHREVEPORT LA
1210 AM CDT THU MAY 31 2001

UPDATED TO TAKE OUT TORNADO WATCH HEADLINER WHICH EXPIRED AT
MIDNIGHT OVER SOUTHERN ARKANSAS AND INCLUDED A SEVERE MENTION OVER
NORTH CENTRAL LOUISIANA.

09

.SHV...NONE.

In the hours before

Local storm report, May 30, 7:55 PM CDT, 5 hours 53 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
755 PM CDT WED MAY 30 2001

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATI9ON....

0750 PM    CROSSROADS                AR   2 INCH HAIL
05/30/01   HEMPSTEAD                      REPORTED BY LAW
                                          ENFORCEMENT.

Local storm report, May 30, 10:00 PM CDT, 3 hours 48 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1000 PM CDT WED MAY 30 2001

TIME(CDT)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCAT}ION....

0955 PM    LILLIE                    LA   1.75 INCH HAIL
05/30/01   UNION                          REPORTED BY LAW
                                          ENFORCEMENT.

NNNN

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 31, 12:30 AM CDT	Severe Thunderstorm Warning	SHV	Cass	30 min
May 31, 5:33 AM CDT	Severe Thunderstorm Warning	SHV	Gregg, Harrison	57 min
May 30, 9:24 PM CDT	Severe Thunderstorm Warning	SHV	Claiborne	51 min
May 30, 9:39 PM CDT	Severe Thunderstorm Warning	SHV	Union	51 min
May 30, 10:29 PM CDT	Severe Thunderstorm Warning	SHV	Union	46 min
May 31, 5:40 AM CDT	Severe Thunderstorm Warning	SHV	Bossier, Caddo, De Soto	65 min
May 31, 6:17 AM CDT	Severe Thunderstorm Warning	SHV	Bienville, Claiborne, Webster	58 min
May 30, 7:36 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead	54 min
May 31, 1:35 AM CDT	Severe Thunderstorm Warning	SHV	Hempstead	55 min
May 31, 1:40 AM CDT	Severe Thunderstorm Warning	SHV	Union	65 min
May 31, 3:41 AM CDT	Severe Thunderstorm Warning	SHV	Columbia	64 min
May 31, 4:45 AM CDT	Flash Flood Warning	SHV	Columbia, Union	6 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 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.