Alert archive / Arkansas / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 291, NWS Little Rock, AR

August 25, 2016Jefferson County, Arkansas

NWS Little Rock, AR issued this severe thunderstorm warning at Aug 25, 2016, 2:49 PM CDT for Jefferson County, Arkansas. It was in force for 41 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 25, 2016, 2:49 PM CDT (19:49 UTC)
Expired: Aug 25, 2016, 3:30 PM CDT
In force: 41 min
Issued by: NWS Little Rock, AR
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Jefferson County, AR

The radar

The Little Rock radar (KLZK), 70 km from the middle of the area, began a volume at 19:52 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

Little Rock, AR (KBYH), launched 12:00Z, 7.8 hours before the alert went out and 192 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: 1099 J/kg
Mixed-layer CIN: -90 J/kg
Mixed-layer LCL: 1307 m above ground
0-6 km bulk shear: 22 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 33 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 25, 12:52 PM CDT, 1 hour 57 minutes earlier.

Area forecast discussion, Aug 25, 12:52 PM CDT, 1 hour 57 minutes before

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Hazardous weather outlook, Aug 25, 1:20 PM CDT, 1 hour 29 minutes before

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
120 PM CDT THU AUG 25 2016

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-261000-
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-
120 PM CDT THU AUG 25 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

SCATTERED SHOWERS AND THUNDERSTORMS WILL BE NOTED ACROSS THE AREA
INTO EARLY THIS EVENING...ESPECIALLY OVER CENTRAL AND SOUTHERN
ARKANSAS. WHILE ORGANIZED SEVERE WEATHER IS NOT EXPECTED...A FEW
STRONGER STORMS COULD PRODUCE WIND GUSTS OF 40 TO 50 MPH. LOCALLY
HEAVY RAINFALL WILL ALSO BE POSSIBLE.

AFTERNOON HEAT INDEX VALUES WILL APPROACH 105 DEGREES IN MANY AREAS
OF CENTRAL AND EASTERN ARKANSAS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL OCCUR ON FRIDAY. SOME
STORMS COULD BE STRONG TO SEVERE...BUT IN GENERAL SEVERE STORMS
ARE NOT EXPECTED. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE
POSSIBLE IN THE AFTERNOONS THROUGH THE WEEKEND AND INTO EARLY NEXT
WEEK AS WELL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

&&

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

64/44

In the hours before

Special weather statement, Aug 25, 12:59 PM CDT, 1 hour 50 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1259 PM CDT THU AUG 25 2016

ARZ053-062-066-251830-
OUACHITA AR-DALLAS AR-CLARK AR-
1259 PM CDT THU AUG 25 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHWESTERN DALLAS...
SOUTHEASTERN CLARK AND OUACHITA COUNTIES UNTIL 130 PM CDT...

AT 1259 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES EAST OF CHIDESTER...OR 11 MILES NORTH OF CAMDEN...MOVING
NORTHEAST AT 15 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
CAMDEN...                         SPARKMAN...
CHIDESTER...                      POISON SPRINGS STATE PARK...
WHITE OAK LAKE STATE PARK...      CULLENDALE...
EAST CAMDEN...                    AMY...
TATES BLUFF...                    HOLLY SPRINGS...
PINE GROVE...                     READER...
WARNER...                         OUACHITA...
FAIRVIEW IN OUACHITA COUNTY...    LESTER...
EAGLE MILLS...                    VADEN...
BRAGG CITY...                     HARMONY GROVE...

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 3354 9311 3376 9311 3380 9310 3399 9288
      3385 9261 3346 9282
TIME...MOT...LOC 1759Z 212DEG 11KT 3373 9290

CAVANAUGH

Special weather statement, Aug 25, 1:31 PM CDT, 1 hour 18 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
131 PM CDT THU AUG 25 2016

ARZ045-046-251915-
PRAIRIE AR-LONOKE AR-
131 PM CDT THU AUG 25 2016

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LONOKE AND
SOUTHWESTERN PRAIRIE COUNTIES UNTIL 215 PM CDT...

AT 131 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
NEAR PARKERS CORNER...OR 13 MILES SOUTHEAST OF LONOKE...MOVING
NORTHEAST AT 10 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
HUMNOKE...                        PARKERS CORNER...
STUTTGART MUNICIPAL AIRPORT...    BRUMMITT...
ALLPORT...                        COY...
SLOVAK...                         SEATON...
CULLER...                         TOMBERLIN...
BLAKEMORE...                      TOLLVILLE...

LAT...LON 3456 9155 3456 9160 3448 9160 3449 9191
      3473 9186 3472 9148
TIME...MOT...LOC 1831Z 212DEG 9KT 3462 9177

CAVANAUGH

Special weather statement, Aug 25, 1:33 PM CDT, 1 hour 16 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
133 PM CDT THU AUG 25 2016

ARZ055-062-251915-
DALLAS AR-GRANT AR-
133 PM CDT THU AUG 25 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTHEASTERN DALLAS AND WESTERN
GRANT COUNTIES UNTIL 215 PM CDT...

AT 132 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM OVER
LEOLA...OR 14 MILES SOUTHWEST OF SHERIDAN...MOVING NORTHEAST AT 15
MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
SHERIDAN...                       LEOLA...
TULL...                           CARTHAGE...
PRATTSVILLE...                    POYEN...
DOGWOOD...                        JENKINS FERRY STATE PARK...
THIEL...                          BELFAST...
FENTER...                         TULIP...
BUIE...                           BRUSH CREEK...
CROSS ROADS IN GRANT COUNTY...    SLABTOWN...
FARINDALE...                      MILLERVILLE...

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 3404 9271 3415 9268 3441 9267 3441 9262
      3443 9262 3446 9258 3444 9237 3406 9240
      3406 9247 3400 9247
TIME...MOT...LOC 1832Z 207DEG 13KT 3415 9257

CAVANAUGH

Special weather statement, Aug 25, 2:26 PM CDT, 23 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
226 PM CDT THU AUG 25 2016

ARZ054-055-062-252000-
HOT SPRING AR-DALLAS AR-GRANT AR-
226 PM CDT THU AUG 25 2016

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL DALLAS...
SOUTHWESTERN GRANT AND SOUTHEASTERN HOT SPRING COUNTIES UNTIL 300 PM
CDT...

AT 225 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7
MILES WEST OF CARTHAGE...OR 21 MILES SOUTH OF MALVERN...MOVING NORTH
AT 15 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
LEOLA...                          CARTHAGE...
DOGWOOD...                        THIEL...
JENKINS FERRY STATE PARK...       PRINCETON...
WILLOW...                         TULIP...
LONO...                           BRUSH CREEK...
CROSS ROADS IN GRANT COUNTY...

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 3389 9261 3397 9273 3406 9281 3426 9280
      3424 9240
TIME...MOT...LOC 1925Z 197DEG 12KT 3407 9268

CAVANAUGH

Special weather statement, Aug 25, 2:30 PM CDT, 19 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
230 PM CDT THU AUG 25 2016

ARZ022-031-038-252015-
CONWAY AR-YELL AR-POPE AR-
230 PM CDT THU AUG 25 2016

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL YELL...SOUTHEASTERN
POPE AND SOUTHWESTERN CONWAY COUNTIES UNTIL 315 PM CDT...

AT 230 PM CDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER CARDEN BOTTOMS...OR 9 MILES SOUTHEAST OF RUSSELLVILLE...MOVING
EAST AT 10 MPH.

WIND GUSTS UP TO 50 MPH WILL BE POSSIBLE WITH THIS STORM.

LOCATIONS IMPACTED INCLUDE...
RUSSELLVILLE...                   ATKINS...
POTTSVILLE...                     OPPELO...
SEQUOYA PARK...                   PETIT JEAN STATE PARK...
HATTIEVILLE...                    HAPPY BEND...
GALLA CREEK WMA...                CARDEN BOTTOMS...
ADA...                            KENWOOD...
PONTOON...                        LAKEVIEW IN YELL COUNTY...
BLACKWELL...                      HOLLA BEND...

LAT...LON 3528 9312 3530 9277 3507 9278 3508 9305
      3509 9315
TIME...MOT...LOC 1930Z 266DEG 10KT 3516 9304

CAVANAUGH

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 25, 12:59 PM CDT	Special Weather Statement	LZK	Ouachita	31 min
Aug 25, 1:31 PM CDT	Special Weather Statement	LZK	Lonoke	44 min
Aug 25, 1:33 PM CDT	Special Weather Statement	LZK	Grant	42 min
Aug 25, 2:26 PM CDT	Special Weather Statement	LZK	Dallas	34 min
Aug 25, 2:30 PM CDT	Special Weather Statement	LZK	Conway	45 min
Aug 25, 5:19 PM CDT	Flash Flood Warning	LZK	Logan, Yell	2 hr

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.