Alert archive / Arkansas / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 331, NWS Little Rock, AR

July 26, 2010Boone County, Marion County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 26, 2010, 3:48 PM CDT for Boone County, Marion County, Arkansas. It was in force for 42 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: Jul 26, 2010, 3:48 PM CDT (20:48 UTC)
Expired: Jul 26, 2010, 4:30 PM CDT
In force: 42 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

Counties Boone County, AR, Marion County, AR

The radar

The Springfield radar (KSGF), 115 km from the middle of the area, began a volume at 20:50 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

Springfield, MO (KSGF), launched 12:00Z, 8.8 hours before the alert went out and 106 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: 2013 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 845 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: -2 m²/s²
0-3 km storm-relative helicity: 18 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 26, 2:15 PM CDT, 1 hour 33 minutes earlier.

Area forecast discussion, Jul 26, 2:15 PM CDT, 1 hour 33 minutes before

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Hazardous weather outlook, Jul 26, 5:00 AM CDT, 10 hours 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT MON JUL 26 2010

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-271000-
ARKANSAS-BAXTER-BOONE-BRADLEY-CALHOUN-CLARK-CLEBURNE-CLEVELAND-
CONWAY-DALLAS-DESHA-DREW-FAULKNER-FULTON-GARLAND-GRANT-HOT SPRING-
INDEPENDENCE-IZARD-JACKSON-JEFFERSON-JOHNSON-LINCOLN-LOGAN-LONOKE-
MARION-MONROE-MONTGOMERY-NEWTON-OUACHITA-PERRY-PIKE-POLK-POPE-
PRAIRIE-PULASKI-SALINE-SCOTT-SEARCY-SHARP-STONE-VAN BUREN-WHITE-
WOODRUFF-YELL-
500 AM CDT MON JUL 26 2010

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

.DAY ONE...TODAY AND TONIGHT

TROPICAL MOISTURE FROM THE REMNANTS OF WHAT WAS ONCE TROPICAL
DEPRESSION BONNIE REMAIN IN PLACE ACROSS THE REGION...WITH SHOWERS
AND THUNDERSTORMS EXPECTED ACROSS MUCH OF ARKANSAS THIS MONDAY
AFTERNOON.

RAINFALL AMOUNTS ARE EXPECTED TO RANGE FROM ONE TO THREE QUARTERS OF
AN INCH ON AVERAGE ACROSS MOST AREAS. HOWEVER...WITH TROPICAL
MOISTURE IN PLACE...HEAVY DOWNPOURS COULD RESULT IN LOCALLY HIGHER
AMOUNTS OF ONE TO THREE INCHES...WITH LOCALIZED FLASH FLOODING
POSSIBLE.

WHILE WIDESPREAD SEVERE WEATHER IN NOT ANTICIPATED...A FEW STORMS
MAY BECOME STRONG...WITH AN ISOLATED SEVERE STORM POSSIBLE...MAINLY
DURING THE HEAT OF THE AFTERNOON AND EARLY EVENING. THE MAIN THREAT
WITH THESE STORMS WILL BE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL CONTINUE TO BE
POSSIBLE FOR MUCH OF THE WEEK. THE MOST WIDESPREAD ACTIVITY IS
EXPECTED IN THE LATE AFTERNOON AND EARLY EVENING HOURS DURING THE
PEAK HEATING OF THE DAY. THE THREAT FOR WIDESPREAD SEVERE WEATHER IS
EXPECTED TO REMAIN LOW...THOUGH ISOLATED STRONG TO SEVERE STORMS
WILL BE POSSIBLE. THE MAIN THREAT WITH THE STRONGEST STORMS WILL BE
DAMAGING WINDS. DUE TO TROPICAL MOISTURE IN PLACE ACROSS THE
REGION...LOCALIZED FLASH FLOODING WILL ALSO BE A THREAT.

UPPER LEVEL HIGH PRESSURE WILL BEGIN BUILDING OVER THE REGION LATER
THIS WEEK...WITH HOT AND HUMID CONDITIONS EXPECTED TO RETURN TO
ARKANSAS. THIS HIGH PRESSURE WILL LIMIT AFTERNOON SHOWER AND
THUNDERSTORM ACTIVITY FOR THIS UPCOMING WEEKEND...WITH ONLY A FEW
ISOLATED STORMS POSSIBLE DURING THE PEAK HEATING OF THE DAY. WITH
TEMPERATURES EXPECTED TO WARM BACK INTO THE MID AND UPPER 90S ONCE
AGAIN...HEAT ADVISORIES MAY BE REQUIRED LATER THIS WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED...WITH ONLY ISOLATED SEVERE
WEATHER EXPECTED THROUGH TUESDAY.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND
CLICK ON CENTRAL ARKANSAS.

62

In the hours before

Special weather statement, Jul 26, 12:24 PM CDT, 3 hours 24 minutes before

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Local storm report, Jul 26, 1:39 PM CDT, 2 hours 9 minutes before

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Local storm report, Jul 26, 1:41 PM CDT, 2 hours 7 minutes before

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Special weather statement, Jul 26, 3:33 PM CDT, 15 minutes before

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Special weather statement, Jul 26, 3:38 PM CDT, 10 minutes before

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Special weather statement, Jul 26, 3:44 PM CDT, 4 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 25, 7:23 PM CDT	Flash Flood Warning	LZK	Montgomery, Pike, Polk	112 min
Jul 25, 7:39 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Pike	36 min
Jul 25, 7:51 PM CDT	Special Weather Statement	LZK	Montgomery	34 min
Jul 25, 7:53 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery	52 min
Jul 25, 8:14 PM CDT	Flash Flood Warning	LZK	Montgomery, Scott, Yell	2 hr
Jul 25, 8:24 PM CDT	Special Weather Statement	LZK	Yell	36 min
Jul 25, 10:20 PM CDT	Flash Flood Warning	LZK	Montgomery, Scott, Yell	115 min
Jul 26, 12:24 PM CDT	Special Weather Statement	LZK	Cleburne	31 min
Jul 26, 12:37 PM CDT	Severe Thunderstorm Warning	LZK	Faulkner	38 min
Jul 26, 12:46 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Van Buren	31 min
Jul 26, 1:41 PM CDT	Flash Flood Warning	LZK	Cleburne	77 min
Jul 26, 2:41 PM CDT	Severe Thunderstorm Warning	LZK	Perry, Yell	49 min
Jul 26, 3:17 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Pulaski, Saline	43 min
Jul 26, 3:33 PM CDT	Special Weather Statement	LZK	Newton	37 min
Jul 26, 3:38 PM CDT	Special Weather Statement	LZK	Pike	32 min
Jul 26, 3:41 PM CDT	Severe Thunderstorm Warning	LZK	Pike	34 min
Jul 26, 3:44 PM CDT	Special Weather Statement	LZK	Boone	41 min
Jul 26, 3:53 PM CDT	Flash Flood Warning	LZK	Grant, Pulaski, Saline	112 min
Jul 26, 4:27 PM CDT	Flash Flood Warning	LZK	Garland, Hot Spring, Montgomery	3 hr
Jul 26, 4:50 PM CDT	Special Weather Statement	LZK	Grant	40 min
Jul 26, 4:54 PM CDT	Special Weather Statement	LZK	Jefferson	41 min
Jul 26, 5:06 PM CDT	Flash Flood Warning	LZK	Clark, Hot Spring	114 min
Jul 26, 5:27 PM CDT	Severe Thunderstorm Warning	LZK	Jefferson, Lonoke, Pulaski	33 min
Jul 26, 6:04 PM CDT	Special Weather Statement	LZK	Lonoke	46 min
Jul 26, 6:12 PM CDT	Flash Flood Warning	LZK	Arkansas, Jefferson, Lonoke, Prairie, Pulaski	2 hr
Jul 26, 6:20 PM CDT	Special Weather Statement	LZK	Cleveland	45 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2010 Every severe thunderstorm warning in 2010

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.