Alert archive / Arkansas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 173, NWS Little Rock, AR

April 23, 2000Grant County, Pulaski County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Apr 23, 2000, 8:28 PM CDT for Grant County, Pulaski County, Arkansas. It was in force for 47 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
Apr 23, 2000, 8:28 PM CDT (01:28 UTC)
Expired
Apr 23, 2000, 9:15 PM CDT
In force
47 min
Issued by
NWS Little Rock, AR
Area
Whole counties

Counties Grant County, AR, Pulaski County, AR

The radar

The Little Rock radar (KLZK), 35 km from the middle of the area, began a volume at 01:27 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.

IssuedProductOfficeLasted
Apr 23, 4:00 PM CDTTornado WatchSPC6 hr
Apr 23, 8:00 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 00:00Z, 1.5 hours before the alert went out and 224 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 2000-04-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 190 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 2000-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 273 square meters per square second.19395878Sfc1 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
190 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
449 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
273 m²/s²
0-3 km storm-relative helicity
364 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

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 Little Rock, AR wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 23, 4:20 PM CDT, 4 hours 8 minutes earlier.

Area forecast discussion, Apr 23, 4:20 PM CDT, 4 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
420 PM CDT SUN APR 23 2000

WILL HAVE TO BRIEF DUE TO ON-GOING WEATHER. REFER TO SPC DISCOS FOR
LATEST SVR WEATHER ANALYSIS. WILL GO WITH CATEGORICAL RAIN CHANCES
AREA WIDE TONIGHT AS SURFACE LOW MOVES EAST ACROSS SOUTH AR AND
UPPER LOW DRIFTS EAST FROM OK. STILL LOOKS LIKE HEAVY RAINS ARE A
POSSIBILITY...ESPECIALLY OVER CENTRAL AND SOUTH ZONES.

LOW PULLS AWAY SLOWLY MON...BUT WITH CYCLONIC SURFACE FLOW AND WRAP
AROUND MOISTURE...WILL NOT ALLOW THE SUN TO BREAK OUT AS PER SOME OF
THE NGM MOS OUTPUT. THEREFORE...WILL HAVE TO SHAVE 5-10 DEGREES OFF
MOS TEMPS MON IN MANY AREAS.

(45)

.LIT...NONE.

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 23, 7:03 PM CDTSevere Thunderstorm WarningLZKGarland47 min
Apr 23, 7:26 PM CDTSevere Thunderstorm WarningLZKHot Spring49 min
Apr 23, 7:36 PM CDTSevere Thunderstorm WarningLZKClark34 min
Apr 23, 7:48 PM CDTSevere Thunderstorm WarningLZKGarland32 min
Apr 23, 7:50 PM CDTSevere Thunderstorm WarningLZKSaline50 min
Apr 23, 8:12 PM CDTSevere Thunderstorm WarningLZKHot Spring33 min
Apr 23, 9:15 PM CDTSevere Thunderstorm WarningLZKLonoke45 min
Apr 23, 9:50 PM CDTSevere Thunderstorm WarningLZKPrairie40 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2000Every severe thunderstorm warning in 2000

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.