Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 253, NWS Little Rock, AR

July 29, 2016Baxter County, Fulton County, Izard County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Jul 29, 2016, 2:28 PM CDT for Baxter County, Fulton County, Izard 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: Jul 29, 2016, 2:28 PM CDT (19:28 UTC)
Expired: Jul 29, 2016, 3:15 PM CDT
In force: 47 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Baxter County, AR, Fulton County, AR, Izard County, AR

The radar

The Little Rock radar (KLZK), 159 km from the middle of the area, began a volume at 19:30 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, 7.5 hours before the alert went out and 174 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: 1513 J/kg
Mixed-layer CIN: -17 J/kg
Mixed-layer LCL: 717 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 46 m²/s²
0-3 km storm-relative helicity: 172 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.5

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 29, 12:54 PM CDT, 1 hour 34 minutes earlier.

Area forecast discussion, Jul 29, 12:54 PM CDT, 1 hour 34 minutes before

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Hazardous weather outlook, Jul 29, 5:00 AM CDT, 9 hours 28 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LITTLE ROCK AR
500 AM CDT FRI JUL 29 2016

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-301000-
BOONE-MARION-BAXTER-FULTON-SHARP-NEWTON-SEARCY-STONE-IZARD-
INDEPENDENCE-JOHNSON-POPE-VAN BUREN-CLEBURNE-JACKSON-LOGAN-CONWAY-
FAULKNER-WHITE-WOODRUFF-SCOTT-YELL-PERRY-POLK-MONTGOMERY-GARLAND-
SALINE-PULASKI-LONOKE-PRAIRIE-MONROE-PIKE-CLARK-HOT SPRING-GRANT-
JEFFERSON-ARKANSAS-DALLAS-CLEVELAND-LINCOLN-DESHA-OUACHITA-CALHOUN-
BRADLEY-DREW-
500 AM CDT FRI JUL 29 2016

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

.DAY ONE...TODAY AND TONIGHT

AN UPPER LEVEL DISTURBANCE WILL MOVE ACROSS ARKANSAS TODAY WITH
SCATTERED SHOWERS AND THUNDERSTORMS EXPECTED MAINLY DURING THE
AFTERNOON HOURS. THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS,
WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS. ALSO, WITH THE
SLOW MOVING STORMS, THERE WILL BE THE INCREASED POSSIBILITY OF
LOCALLY HEAVY RAIN.

AFTERNOON HIGHS WILL ONLY REACH THE MID 80S TO MID 90S DUE TO THE
INCREASE IN CLOUD COVER. HOWEVER...WITH PLENTY OF HUMIDITY STILL IN
PLACE...HEAT INDICES WILL STILL MAKE IT INTO THE UPPER 90S DURING
THE AFTERNOON HOURS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

MORE SCATTERED SHOWERS AND THUNDERSTORMS ARE FORECAST THROUGH SUNDAY
AS THE AREA REMAINS BETWEEN UPPER LEVEL RIDGES. THUNDERSTORM
CHANCES WILL DECREASE MONDAY THROUGH THURSDAY AS THE RIDGE
BUILDS OVER ARKANSAS AGAIN. OTHER THAN CLOUD TO GROUND
LIGHTNING...SOME GUSTY WINDS COULD ALSO BE SEEN WITH SOME OF THE
STRONGER STORMS.

GIVEN THE SLOW MOVEMENT OF ANY STORMS... LOCALLY HEAVY RAINFALL WILL
BE POSSIBLE...RESULTING IN AN ISOLATED FLASH FLOOD THREAT. THE
THREAT FOR ANY SEVERE STORMS WILL REMAIN ISOLATED AND LOW.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED IN THE AFTERNOON.

&&

VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV/LZK.

51

In the hours before

Special weather statement, Jul 29, 1:26 PM CDT, 1 hour 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
126 PM CDT FRI JUL 29 2016

ARZ038-291900-
YELL AR-
126 PM CDT FRI JUL 29 2016

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL YELL COUNTY UNTIL 200 PM
CDT...

AT 125 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR
DANVILLE...MOVING EAST AT 30 MPH.

HALF INCH HAIL AND WINDS IN EXCESS OF 40 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
DANVILLE...                       OLA...
PLAINVIEW IN YELL COUNTY...       PETIT JEAN RIVER WMA...
BELLEVILLE...                     HAVANA...
CORINTH...                        BIRTA...
CARTER COVE PARK...               SUNLIGHT BAY PARK...
MT GEORGE...                      GARDEN POINT RECREATION AREA...
BRIGGSVILLE...                    LAKEVIEW IN YELL COUNTY...
MACEDONIA IN YELL COUNTY...       WING...
ROVER...                          CENTERVILLE...
KINGSTON...                       RANGER...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3513 9359 3514 9309 3513 9309 3512 9305
      3514 9302 3514 9298 3512 9298 3511 9304
      3510 9303 3506 9305 3490 9328 3495 9360
TIME...MOT...LOC 1825Z 273DEG 26KT 3504 9351

57

Special weather statement, Jul 29, 2:18 PM CDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
218 PM CDT FRI JUL 29 2016

ARZ032-039-044-292000-
PERRY AR-PULASKI AR-FAULKNER AR-
218 PM CDT FRI JUL 29 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN PULASKI...
SOUTHWESTERN FAULKNER AND EASTERN PERRY COUNTIES UNTIL 300 PM CDT...

AT 218 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
WYE MOUNTAIN...OR 7 MILES SOUTHEAST OF PERRYVILLE...MOVING EAST AT 10
MPH.

DIME SIZE HAIL AND WIND GUSTS OF 50 TO 55 MPH WILL BE POSSIBLE WITH
THIS STORM.

LOCATIONS IMPACTED INCLUDE...
NORTH LITTLE ROCK...              CONWAY...
MAUMELLE...                       PERRYVILLE...
MAYFLOWER...                      PERRY...
HOUSTON...                        OAK GROVE IN PULASKI COUNTY...
WILLIAMS JUNCTION...              ROLAND IN PULASKI COUNTY...
MORGAN...                         MARCHE...
LITTLE ITALY...                   WYE MOUNTAIN...
CAMP ROBINSON...                  PINNACLE MOUNTAIN STATE PARK...
BURNS PARK...                     TOAD SUCK...
AMBOY...                          BIGELOW...

LAT...LON 3480 9228 3483 9265 3485 9265 3485 9274
      3484 9274 3485 9283 3486 9286 3507 9281
      3507 9226
TIME...MOT...LOC 1918Z 269DEG 9KT 3496 9269

CAVANAUGH

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 28, 10:17 PM CDT	Special Weather Statement	LZK	Izard	43 min
Jul 29, 1:26 PM CDT	Special Weather Statement	LZK	Yell	34 min
Jul 29, 1:41 PM CDT	Severe Thunderstorm Warning	LZK	Cleburne, Independence, Jackson, White	34 min
Jul 29, 2:10 PM CDT	Severe Thunderstorm Warning	LZK	Baxter, Marion, Searcy, Stone	50 min
Jul 29, 2:18 PM CDT	Special Weather Statement	LZK	Pulaski	42 min
Jul 29, 2:42 PM CDT	Special Weather Statement	LZK	Garland	48 min
Jul 29, 3:03 PM CDT	Special Weather Statement	LZK	Van Buren	42 min
Jul 29, 3:26 PM CDT	Special Weather Statement	LZK	White	49 min
Jul 29, 3:33 PM CDT	Special Weather Statement	LZK	Pulaski	27 min
Jul 29, 3:41 PM CDT	Special Weather Statement	LZK	White	49 min
Jul 29, 3:45 PM CDT	Severe Thunderstorm Warning	LZK	Pulaski	45 min
Jul 29, 4:10 PM CDT	Severe Thunderstorm Warning	LZK	Lonoke, Prairie	50 min
Jul 29, 4:56 PM CDT	Special Weather Statement	LZK	Grant	49 min
Jul 29, 5:07 PM CDT	Severe Thunderstorm Warning	LZK	Grant, Jefferson	38 min
Jul 29, 5:47 PM CDT	Special Weather Statement	LZK	Scott	43 min
Jul 29, 6:00 PM CDT	Special Weather Statement	LZK	Clark	30 min
Jul 29, 6:15 PM CDT	Severe Thunderstorm Warning	LZK	Polk, Scott	45 min
Jul 29, 6:31 PM CDT	Flash Flood Warning	LZK	Clark, Dallas, Hot Spring	119 min
Jul 29, 6:45 PM CDT	Severe Thunderstorm Warning	LZK	Montgomery, Polk, Scott	45 min

Nearby

Severe Thunderstorm Warnings in Arkansas, 2016 Every severe thunderstorm warning in 2016

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.