Alert archive / Arkansas / Special Weather Statements in 2011
Special Weather Statement, NWS Little Rock, AR
NWS Little Rock, AR issued this special weather statement at Aug 7, 2011, 3:44 PM CDT for Jefferson County, Arkansas. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 7, 2011, 3:44 PM CDT (20:44 UTC)
- Expired
- Aug 7, 2011, 4:30 PM CDT
- In force
- 46 min
- Issued by
- NWS Little Rock, AR
County Jefferson County, AR
The radar
The Little Rock radar (KLZK), 68 km from the middle of the area, began a volume at 20:46 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 (KLZK), launched 12:00Z, 8.7 hours before the alert went out and 199 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.
- Mixed-layer CAPE
- 2280 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 1283 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 99 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 7, 1:02 PM CDT, 2 hours 42 minutes earlier.
Area forecast discussion, Aug 7, 1:02 PM CDT, 2 hours 42 minutes before
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</html>Hazardous weather outlook, Aug 7, 4:15 AM CDT, 11 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE LITTLE ROCK AR 415 AM CDT SUN AUG 7 2011 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-081000- 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- 415 AM CDT SUN AUG 7 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...TODAY AND TONIGHT DANGEROUS HEAT WILL AGAIN PERSIST FOR TODAY AS HIGH TEMPERATURES WARM TO THE UPPER 90S TO AROUND 107 ACROSS THE AREA. HUMIDITY LEVELS WILL ALSO REMAIN HIGH...WITH HEAT INDICES EXPECTED TO TO RANGE FROM 105 TO 114 DEGREES FOR MANY LOCATIONS. A HEAT ADVISORY REMAINS IN EFFECT FOR TODAY. PEOPLE NEED TO TAKE THE HEAT SERIOUSLY. HEAT IS THE NUMBER ONE WEATHER RELATED KILLER IN THE UNITED STATES. SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE THIS AFTERNOON. ANY STORM THAT DOES FORM COULD BECOME STRONG TO SEVERE...WITH DAMAGING WINDS THE MAIN THREAT. THE BEST CHANCES FOR STORMS WILL BE ACROSS THE NORTHEAST HALF OF THE STATE...THOUGH ISOLATED STORMS COULD FORM FURTHER SOUTH. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A HEAT ADVISORY WILL REMAIN IN EFFECT FOR A LARGE PORTION OF THE AREA ON MONDAY AS TEMPERATURES REMAIN IN THE UPPER 90S TO AROUND 106...AND AFTERNOON HEAT INDICES RANGE FROM 105 TO 114 DEGREES. THE UPPER LEVEL HIGH PRESSURE RESPONSIBLE FOR THE EXCESSIVE HEAT OVER THE PAST SEVERAL DAYS WILL SHIFT SLOWLY SOUTHWEST IN THE COMING DAYS. AS THIS UPPER LEVEL HIGH SHIFTS SOUTHWEST... A COLD FRONT WILL SLIDE SOUTH INTO ARKANSAS BY THE MIDDLE OF NEXT WEEK AND STALL. THIS WILL KEEP CHANCES FOR SCATTERED SHOWERS AND THUNDERSTORMS IN THE FORECAST FOR AT LEAST SOME PORTION OF THE STATE THROUGH THE END OF NEXT WEEK. AS A RESULT OF INCREASED RAIN CHANCES...THE THREAT FOR THE EXCESSIVE HEAT WILL SLOWLY DECREASE OVER TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. && 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, Aug 7, 2:03 PM CDT, 1 hour 41 minutes before
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</html>Local storm report, Aug 7, 2:46 PM CDT, 58 minutes before
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</html>Special weather statement, Aug 7, 2:57 PM CDT, 47 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE LITTLE ROCK AR 257 PM CDT SUN AUG 7 2011 ARZ043-044-072040- PULASKI AR-SALINE AR- 257 PM CDT SUN AUG 7 2011 ...SIGNIFICANT WEATHER ADVISORY FOR EASTERN SALINE AND CENTRAL PULASKI COUNTIES UNTIL 345 PM CDT... AT 254 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR COLLEGEVILLE...OR NEAR BRYANT. THIS STORM WAS NEARLY STATIONARY. HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN. * LOCATIONS IMPACTED INCLUDE... SW LITTLE ROCK... BRYANT... BENTON... SHANNON HILLS... OTTER CREEK... MABELVALE... HURRICANE LAKE... GEYER SPRINGS... WOODLAND HILLS... VIMY RIDGE... SHAW... SARDIS... PARKERS-IRON SPGS... EAST END... CONGO... CAMMACK VILLAGE... BAUXITE... BASELINE... THIS INCLUDES INTERSTATE 30 BETWEEN MILE MARKERS 118 AND 136. THIS INCLUDES INTERSTATE 430 BETWEEN MILE MARKERS 1 AND 7. THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 7 AND 11. THIS INCLUDES INTERSTATE 630 BETWEEN MILE MARKERS 3 AND 7. 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 3478 9233 3455 9225 3449 9255 3469 9262 TIME...MOT...LOC 1957Z 255DEG 2KT 3463 9246 BJS
Local storm report, Aug 7, 3:19 PM CDT, 25 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
319 PM CDT SUN AUG 07 2011
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0148 PM TSTM WND DMG BRYANT 34.61N 92.49W
08/07/2011 SALINE AR LAW ENFORCEMENT
A LARGE LIMB FELL ON A CAR ON ARKANSAS 5...DAMAGING THE
CAR.
0240 PM TSTM WND GST BENTON 34.57N 92.58W
08/07/2011 E70 MPH SALINE AR TRAINED SPOTTER
POWER LINES WERE BLOWN DOWN.
&&
28Special weather statement, Aug 7, 3:44 PM CDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
344 PM CDT SUN AUG 7 2011
ARZ045-055>057-062>064-072130-
ARKANSAS AR-CLEVELAND AR-DALLAS AR-GRANT AR-JEFFERSON AR-LINCOLN
AR-LONOKE AR-
344 PM CDT SUN AUG 7 2011
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN LONOKE...NORTHWESTERN
LINCOLN...JEFFERSON...SOUTHERN GRANT...EASTERN DALLAS...NORTHERN
CLEVELAND AND WESTERN ARKANSAS COUNTIES UNTIL 430 PM CDT...
AT 342 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A CLUSTER OF STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5
MILES SOUTHWEST OF RYAN TO LOCK AND DAM NUMBER 4 TO NEAR
CARTHAGE...AND MOVING SOUTHEAST AT 15 MPH.
HAIL UP TO ONE-HALF INCH IN DIAMETER AND WIND GUSTS UP TO 50 MPH ARE
POSSIBLE WITH THESE STORMS...THOUGH HEAVY RAIN AND DANGEROUS...NEAR
CONTINUOUS LIGHTNING ARE THE MAIN THREATS WITH THIS CLUSTER.
* LOCATIONS IMPACTED INCLUDE...
RISON... PINE BLUFF... GRAYS LAKE...
WOODVILLE... WHITEFIELD... WHITE HALL...
WARBRITTON... RICHARDSON... MADDING...
LINWOOD... LEOLA... LAMONT...
LAKE PINE BLUFF... KEDRON... HUMPHREY...
COTTONDALE... CARTHAGE... ALTHEIMER...
THIS INCLUDES INTERSTATE 530 BETWEEN MILE MARKERS 31 AND 46.
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 LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY...TURN AROUND DONT DROWN!
LAT...LON 3439 9159 3406 9171 3386 9253 3412 9274
3434 9201 3464 9192
TIME...MOT...LOC 2043Z 320DEG 14KT 3448 9186 3425 9189
3408 9256
BJSThe office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 6, 8:19 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion | 26 min |
| Aug 6, 8:46 PM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion | 44 min |
| Aug 6, 8:48 PM CDT | Severe Thunderstorm Warning | LZK | Fulton | 42 min |
| Aug 6, 9:15 PM CDT | Severe Thunderstorm Warning | LZK | Izard, Sharp | 25 min |
| Aug 7, 1:05 PM CDT | Special Weather Statement | LZK | Pulaski | 45 min |
| Aug 7, 1:07 PM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 38 min |
| Aug 7, 1:10 PM CDT | Special Weather Statement | LZK | Saline | 30 min |
| Aug 7, 1:14 PM CDT | Special Weather Statement | LZK | Hot Spring | 46 min |
| Aug 7, 1:34 PM CDT | Severe Thunderstorm Warning | LZK | Pulaski | 41 min |
| Aug 7, 1:39 PM CDT | Severe Thunderstorm Warning | LZK | Pulaski, Saline | 36 min |
| Aug 7, 1:57 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Pulaski | 48 min |
| Aug 7, 2:00 PM CDT | Special Weather Statement | LZK | Saline | 45 min |
| Aug 7, 2:03 PM CDT | Special Weather Statement | LZK | Hot Spring | 47 min |
| Aug 7, 2:05 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Saline | 40 min |
| Aug 7, 2:16 PM CDT | Special Weather Statement | LZK | Lonoke | 44 min |
| Aug 7, 2:22 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 53 min |
| Aug 7, 2:23 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Stone | 37 min |
| Aug 7, 2:30 PM CDT | Severe Thunderstorm Warning | LZK | Jefferson, Lonoke, Pulaski | 45 min |
| Aug 7, 2:57 PM CDT | Special Weather Statement | LZK | Pulaski | 43 min |
| Aug 7, 3:03 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson, Saline | 16 min |
| Aug 7, 3:22 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Stone | 38 min |
| Aug 7, 3:32 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson | 28 min |
| Aug 7, 3:59 PM CDT | Severe Thunderstorm Warning | LZK | Jackson, Woodruff | 46 min |
| Aug 7, 4:12 PM CDT | Severe Thunderstorm Warning | LZK | Desha, Drew, Lincoln | 48 min |
| Aug 7, 4:14 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Jefferson | 34 min |
| Aug 7, 4:24 PM CDT | Severe Thunderstorm Warning | LZK | White, Woodruff | 31 min |
| Aug 7, 4:52 PM CDT | Special Weather Statement | LZK | Clark, Cleveland, Dallas, Lincoln | 43 min |
| Aug 7, 5:16 PM CDT | Severe Thunderstorm Warning | LZK | Woodruff | 29 min |
| Aug 7, 5:20 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Drew | 26 min |
| Aug 7, 5:28 PM CDT | Severe Thunderstorm Warning | LZK | Dallas | 32 min |
| Aug 7, 5:40 PM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Polk | 50 min |
Nearby
Special Weather Statements in Arkansas, 2011Every special weather statement in 2011
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.