Alert archive / Arkansas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 308, NWS Little Rock, AR

November 10, 2002Desha County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Nov 10, 2002, 5:27 PM CST for Desha County, Arkansas. It was in force for 23 min. 3 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued: Nov 10, 2002, 5:27 PM CST (23:27 UTC)
Expired: Nov 10, 2002, 5:50 PM CST
In force: 23 min
Issued by: NWS Little Rock, AR
Area: Counties, with a storm outline in the text

County Desha County, AR

The radar

The Little Rock radar (KLZK), 145 km from the middle of the area, began a volume at 23:28 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.

What was reported inside it

Time	Report	Where	Remark
Nov 10, 5:30 PM CST	Hail 1.75	Mc Gehee, AR
Nov 10, 5:30 PM CST	Thunderstorm Wind 50 E	Mc Gehee, AR	Several large trees were blown down.
Nov 10, 5:33 PM CST	Hail 1.75	Mc Gehee, AR

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

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 10, 4:35 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 11.5 hours before the alert went out and 163 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: 270 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 899 m above ground
0-6 km bulk shear: 60 kt
0-1 km storm-relative helicity: 201 m²/s²
0-3 km storm-relative helicity: 226 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.9

Open this sounding in Storm Lab

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 Nov 10, 3:55 PM CST, 1 hour 32 minutes earlier.

Area forecast discussion, Nov 10, 3:55 PM CST, 1 hour 32 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
355 PM CST SUN NOV 10 2002

MODELS IN FAIR AGREEMENT TONIGHT AND MONDAY. COLD FRONT NEARING
CENTRAL ARKANSAS WILL CONTINUE TO MOVE SOUTHEAST TONIGHT. HAVE
INCLUDED SLIGHT CHANCE OF THUNDERSTORMS FOR CENTRAL SECTIONS EARLY
TONIGHT...AND A CHANCE OF THUNDERSTORMS EAST AND SOUTHEAST FOR EARLY
TONIGHT. PER SPC OUTLOOK SOME OF THE STORMS IN THE EAST AND
SOUTHEAST COULD BE SEVERE EARLY TONIGHT...HOWEVER...LOOKS LIKE MOST
OF THE BIG THUNDERSTORM SHOW WILL BE EAST OF OUR AREA. DRY WEATHER
ON TAP FOR MONDAY. BUT AVN CONTINUES TO PUT LARGE POPS IN FOR
CENTRAL AND SOUTHERN SECTIONS MONDAY NIGHT AREA OF VORTICITY MOVES
ACROSS THE AREA. ETA AND NGM HAVE LITTLE OR NO POPS FOR MONDAY
NIGHT. AFTER COORDINATION WITH SHV...JAN...AND MEMO...WILL INCLUDE
CHANCE POPS FOR SHOWERS CENTRAL AND SOUTH FOR MONDAY NIGHT. AFTER
THAT DRY WEATHER FOR TUESDAY THROUGH MOST OF THURSDAY. HAVE BEEN
ADVERTISING NEXT FRONT ON FRIDAY...HOWEVER...NEW MODEL RUN HAS FRONT
MOVING IN THURSDAY NIGHT. HAVE PUT POPS IN FOR THURSDAY NIGHT AND
THEN CONTINUED THEM ON FRIDAY AS NEW FRONT MOVES THROUGH. SATURDAY
AND SUNDAY SHOULD AGAIN BE DRY.

FCSTID = 22
HRO   40  58  35  52 /  10  10  10   5
LIT   49  62  42  54 /  20  10  30   5
HOT   49  62  41  55 /  20  10  30   5
PBF   52  64  43  58 /  30  10  40   5

.LZK...NONE.

Hazardous weather outlook, Nov 10, 4:43 PM CST, 44 minutes before

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-111100-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
443 PM CST SUN NOV 10 2002

THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS.

.DAY ONE...

A TORNADO WATCH IS IN EFFECT FOR NORTHEAST ARKANSAS UNTIL 9 PM CST.
A TORNADO WATCH IS IN EFFECT FOR EAST CENTRAL AND SOUTHEAST ARKANSAS
UNTIL 11 PM CST.

A COLD FRONT WILL CONTINUE TO MAKE ITS WAY ACROSS ARKANSAS TONIGHT.
OUT AHEAD OF THE FRONT...SCATTERED SHOWERS AND THUNDERSTORMS WILL
CONTINUE TO DEVELOP OVER THE EASTERN HALF OF THE STATE. SOME OF THE
STORMS THAT DEVELOP WILL REACH SEVERE LIMITS. THE GREATEST THREAT
FOR SEVERE THUNDERSTORMS WILL BE OVER EASTERN ARKANSAS DURING THE
EVENING HOURS. THE PRIMARY HAZARD ASSOCIATED WITH THE STORMS WILL BE
LARGE HAIL AND DAMAGING WINDS. HOWEVER...ISOLATED TORNADOES CANNOT
BE RULED OUT.

.SPOTTER CALL TO ACTION STATEMENT...

SPOTTER WILL BE NEEDED THIS EVENING OVER EASTERN ARKANSAS.

.DAYS TWO THROUGH SEVEN...

YET ANOTHER COLD FRONT WILL ARRIVE FROM THE NORTHWEST LATER THIS
WEEK...AND WILL BRING A CHANCE OF SHOWERS AND THUNDERSTORMS THURSDAY
NIGHT AND FRIDAY.

28

The office that day

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

Issued	Product	Office	Counties	Lasted
Nov 9, 8:21 PM CST	Severe Thunderstorm Warning	LZK	Woodruff	29 min
Nov 10, 5:13 PM CST	Tornado Warning	LZK	Drew	22 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2002 Every severe thunderstorm warning in 2002

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.