Alert archive / Arkansas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 477, NWS Little Rock, AR

July 5, 2008Johnson County, Pope County, Yell County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 5, 2008, 5:23 PM CDT for Johnson County, Pope County, Yell County, Arkansas. It was in force for 26 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 5, 2008, 5:23 PM CDT (22:23 UTC)
Expired
Jul 5, 2008, 5:49 PM CDT
In force
26 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Johnson County, AR, Pope County, AR, Yell County, AR

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 10.4 hours before the alert went out and 179 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, Springfield, MO at 12:00Z on 2008-07-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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, Springfield, MO at 12:00Z on 2008-07-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.193958Sfc1 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
142 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
619 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
116 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

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 5, 3:06 PM CDT, 2 hours 17 minutes earlier.

Area forecast discussion, Jul 5, 3:06 PM CDT, 2 hours 17 minutes before
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Hazardous weather outlook, Jul 5, 12:30 PM CDT, 4 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1230 PM CDT SAT JUL 5 2008

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-061000-
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-
1230 PM CDT SAT JUL 5 2008

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP THIS AFTERNOON IN
THE NORTHEAST HALF OF THE STATE. THIS INCLUDES AREAS NORTH OF A LINE
FROM WALDRON TO DUMAS. ISOLATED STORMS COULD BECOME SEVERE...WITH
LARGE HAIL AND DAMAGING WINDS POSSIBLE. HEAVY RAINFALL IS ALSO A
CONCERN...AS MOISTURE AMOUNTS ARE HIGH...AND THE STORMS WILL HAVE
VERY LITTLE MOVEMENT. THE STORMS WILL BEGIN TO DISSIPATE AFTER
SUNSET.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ISOLATED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE AGAIN ON SUNDAY
AND MONDAY...IN A TYPICAL SUMMERTIME PATTERN. THE NEXT SIGNIFICANT
RAINFALL WILL MOVE IN FOR THE MIDDLE OF NEXT WEEK...AS ANOTHER COLD
FRONT APPROACHES THE REGION AND THEN STALLS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

&&

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

58

In the hours before

Special weather statement, Jul 5, 2:19 PM CDT, 3 hours 4 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
219 PM CDT SAT JUL 5 2008

ARZ045-046-052020-
LONOKE-PRAIRIE-
219 PM CDT SAT JUL 5 2008

...SIGNIFICANT WEATHER ALERT FOR LONOKE AND PRAIRIE COUNTIES UNTIL
320 PM CDT...

AT 217 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR OLD AUSTIN...MOVING SOUTHEAST AT 17 MPH.

THE STORM IS CAPABLE OF PRODUCING HEAVY RAIN..WIND GUSTS UP TO 30
MPH...SMALL HAIL AND DANGEROUS LIGHTNING. PONDING OF WATER ON ROADS
DUE TO THE HEAVY RAIN WILL ALSO BE POSSIBLE.

FREQUENT...DANGEROUS LIGHTNING IS OCCURRING WITH THIS STORM. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS
AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.

59
Special weather statement, Jul 5, 2:44 PM CDT, 2 hours 39 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
244 PM CDT SAT JUL 5 2008

ARZ042>044-054-055-052045-
GARLAND-GRANT-HOT SPRING-PULASKI-SALINE-
244 PM CDT SAT JUL 5 2008

...SIGNIFICANT WEATHER ALERT FOR GARLAND...GRANT...HOT SPRING...
PULASKI AND SALINE COUNTIES UNTIL 345 PM CDT...

AT 243 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
TRACK AN AREA OF MODERATE TO STRONG THUNDERSTORMS...MAINLY OVER
SALINE TO WESTERN AND SOUTHERN PULASKI COUNTIES. THE AREA WAS MOVING
SOUTHEAST AT 15 MPH.

THE STORMS ARE CAPABLE OF PRODUCING SMALL HAIL...WIND GUSTS UP TO 30
MPH...HEAVY RAIN AND DANGEROUS LIGHTNING. WITH THE HEAVY RAIN...
LOCALIZED PONDING OF WATER ON ROADS AND IN LOW LYING AREAS WILL BE
POSSIBLE.

FREQUENT...DANGEROUS LIGHTNING IS OCCURRING WITH THESE STORMS. IF
OUTDOORS...STAY AWAY FROM ISOLATED HIGH OBJECTS SUCH AS TREES. MOVE
INDOORS IF POSSIBLE. WHEN INDOORS...STAY AWAY FROM WINDOWS AND DOORS
AND AVOID USING TELEPHONES UNLESS IT IS AN EMERGENCY.

IF ON OR NEAR A LAKE...GET OUT OF THE WATER AND MOVE INDOORS OR
INSIDE A VEHICLE. REMEMBER...LIGHTNING CAN STRIKE OUT TO 15 MILES
FROM THE PARENT THUNDERSTORM.

59
Local storm report, Jul 5, 2:59 PM CDT, 2 hours 24 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
259 PM CDT SAT JUL 05 2008

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0258 PM     TSTM WND DMG     ENGLAND                 34.54N 91.97W
07/05/2008                   LONOKE             AR   PUBLIC

            POWER LINES WERE BLOWN DOWN.

0258 PM     HAIL             ENGLAND                 34.54N 91.97W
07/05/2008  E0.75 INCH       LONOKE             AR   PUBLIC

&&

57
Local storm report, Jul 5, 5:03 PM CDT, 20 minutes before
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Local storm report, Jul 5, 5:11 PM CDT, 12 minutes before
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Special weather statement, Jul 5, 5:16 PM CDT, 7 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 1:19 PM CDTSevere Thunderstorm WarningLZKPulaski, Saline26 min
Jul 5, 2:31 PM CDTSevere Thunderstorm WarningLZKJefferson, Lonoke44 min
Jul 5, 3:02 PM CDTFlash Flood WarningLZKSaline118 min
Jul 5, 3:44 PM CDTFlash Flood WarningLZKGarland, Montgomery, Scott, Yell2 hr
Jul 5, 3:53 PM CDTSevere Thunderstorm WarningLZKArkansas, Desha, Jefferson, Lincoln, Lonoke, Monroe and 1 more67 min
Jul 5, 4:09 PM CDTSevere Thunderstorm WarningLZKMontgomery, Yell51 min
Jul 5, 4:25 PM CDTSevere Thunderstorm WarningLZKArkansas, Desha, Lincoln, Monroe50 min
Jul 5, 5:42 PM CDTFlash Flood WarningLZKMontgomery, Polk, Scott, Yell2 hr
Jul 5, 6:41 PM CDTFlash Flood WarningLZKJohnson, Newton, Pope, Searcy, Van Buren2 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2008Every severe thunderstorm warning in 2008

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.