Alert archive / Arkansas / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 293, NWS Little Rock, AR

August 8, 2014Pope County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 8, 2014, 2:35 PM CDT for Pope 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: Aug 8, 2014, 2:35 PM CDT (19:35 UTC)
Expired: Aug 8, 2014, 3:01 PM CDT
In force: 26 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon

County Pope County, AR

The radar

The Little Rock radar (KLZK), 98 km from the middle of the area, began a volume at 19:34 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, 7.6 hours before the alert went out and 175 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: 587 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 661 m above ground
0-6 km bulk shear: 11 kt
0-1 km storm-relative helicity: 28 m²/s²
0-3 km storm-relative helicity: 9 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 Aug 8, 12:49 PM CDT, 1 hour 46 minutes earlier.

Area forecast discussion, Aug 8, 12:49 PM CDT, 1 hour 46 minutes before

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Hazardous weather outlook, Aug 8, 12:35 PM CDT, 2 hours before

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In the hours before

Special weather statement, Aug 8, 9:36 AM CDT, 4 hours 59 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
936 AM CDT FRI AUG 8 2014

ARZ066-067-081500-
CALHOUN AR-OUACHITA AR-
936 AM CDT FRI AUG 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR EXTREME SOUTHEASTERN OUACHITA AND
SOUTHERN CALHOUN COUNTIES UNTIL 1000 AM CDT...

AT 936 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 7 MILES NORTHWEST OF CALION...OR 8 MILES
NORTHEAST OF NORPHLET...MOVING EAST AT 15 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN.

* LOCATIONS IMPACTED INCLUDE...
  STANDARD UMPSTEAD...  MILLERS BLUFF...      DELHI...
  ARTESIAN...

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3332 9248 3331 9253 3335 9254 3337 9257
      3335 9261 3335 9268 3337 9271 3352 9266
      3346 9239 3328 9237 3328 9244
TIME...MOT...LOC 1436Z 292DEG 15KT 3341 9258

/55

Special weather statement, Aug 8, 9:58 AM CDT, 4 hours 37 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
958 AM CDT FRI AUG 8 2014

ARZ045-046-056-057-081530-
ARKANSAS AR-JEFFERSON AR-LONOKE AR-PRAIRIE AR-
958 AM CDT FRI AUG 8 2014

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN PRAIRIE...SOUTHEASTERN
LONOKE...EXTREME NORTHEASTERN JEFFERSON AND NORTHWESTERN ARKANSAS
COUNTIES UNTIL 1030 AM CDT...

AT 956 AM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
STRONG THUNDERSTORM 3 MILES NORTH OF HUMNOKE...OR 14 MILES NORTHWEST
OF STUTTGART...MOVING EAST AT 20 MPH.

WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH
HEAVY RAIN AND FREQUENT DANGEROUS LIGHTNING.

* LOCATIONS IMPACTED INCLUDE...
  STUTTGART MUNI ARPT...                      PARKERS CORNER...
  HUMNOKE...            BRUMMITT...           FAIRMOUNT...
  ALLPORT...

THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND
TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL
INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!

LAT...LON 3462 9151 3442 9161 3452 9186 3467 9177
TIME...MOT...LOC 1458Z 288DEG 16KT 3458 9176

44

Special weather statement, Aug 8, 1:38 PM CDT, 57 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
Aug 8, 9:36 AM CDT	Special Weather Statement	LZK	Calhoun	24 min
Aug 8, 9:58 AM CDT	Special Weather Statement	LZK	Lonoke	32 min
Aug 8, 11:01 AM CDT	Severe Thunderstorm Warning	LZK	Arkansas, Monroe	29 min
Aug 8, 1:38 PM CDT	Special Weather Statement	LZK	Saline	32 min
Aug 8, 3:58 PM CDT	Special Weather Statement	LZK	Logan	47 min
Aug 8, 4:08 PM CDT	Severe Thunderstorm Warning	LZK	Logan, Yell	37 min
Aug 8, 4:20 PM CDT	Special Weather Statement	LZK	Logan	30 min
Aug 8, 4:31 PM CDT	Flash Flood Warning	LZK	Logan, Scott, Yell	3 hr
Aug 8, 4:41 PM CDT	Special Weather Statement	LZK	Jackson	29 min
Aug 8, 4:53 PM CDT	Flash Flood Warning	LZK	Logan, Scott	3 hr
Aug 8, 5:43 PM CDT	Flash Flood Warning	LZK	Yell	3 hr
Aug 8, 6:13 PM CDT	Special Weather Statement	LZK	Garland, Perry	32 min
Aug 8, 6:42 PM CDT	Flash Flood Warning	LZK	Montgomery, Polk, Scott, Yell	3 hr

Nearby

Severe Thunderstorm Warnings in Arkansas, 2014 Every severe thunderstorm warning in 2014

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.