Alert archive / Arkansas / Tornado Warnings in 2010

Tornado Warning 53, NWS Little Rock, AR

May 1, 2010Montgomery County, Pike County, Polk County, Arkansas

NWS Little Rock, AR issued this tornado warning at May 1, 2010, 6:36 PM CDT for Montgomery County, Pike County, Polk County, Arkansas. It was in force for 24 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
May 1, 2010, 6:36 PM CDT (23:36 UTC)
Expired
May 1, 2010, 7:00 PM CDT
In force
24 min
Issued by
NWS Little Rock, AR
Area
Storm-based polygon

Counties Montgomery County, AR, Pike County, AR, Polk County, AR

The radar

The Western Arkansas radar (KSRX), 110 km from the middle of the area, began a volume at 23:38 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 1, 3:18 PM CDTTornado Watch PDSSPC7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.6 hours before the alert went out and 213 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, Shreveport, LA at 12:00Z on 2010-05-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2117 joules per kilogram.LCLEL10008507005003002001001 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, Shreveport, LA at 12:00Z on 2010-05-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 185 square meters per square second.1939587897117Sfc1 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
2117 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
477 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
185 m²/s²
0-3 km storm-relative helicity
260 m²/s²
Significant tornado parameter
2.9
Supercell composite
15.3

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this tornado 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 tornado warning went out at May 1, 6:10 PM CDT, 26 minutes earlier.

Area forecast discussion, May 1, 6:10 PM CDT, 26 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LITTLE ROCK AR
610 PM CDT SAT MAY 1 2010

.AVIATION...
LOW PRESSURE CONTINUES TO APPROACH ARKANSAS ALONG WITH A COLD
FRONT. MOISTURE CONTINUES TO INCREASE ACROSS THE AREA. SHOWERS AND
THUNDERSTORMS WILL CONTINUE TO DEVELOP ACROSS THE AREA. SEVERE
THUNDERSTORMS AND TORNADOES ARE LIKELY THIS EVENING. PRECIPITATION
WILL DECREASE LATE TONIGHT. PATCHY FOG MAY DEVELOP DURING THE
EARLY MORNING HOURS. MVFR CONDITIONS WILL DOMINATE THROUGH MUCH OF
THE PERIOD. CLOUDS WILL DECREASE AT THE END OF THE PERIOD.

&&

.PREV DISCUSSION... /ISSUED 321 PM CDT SAT MAY 1 2010/

SHORT TERM...TONIGHT THROUGH TUESDAY NIGHT
CLOUDS BROKE UP EARLY THIS AFTERNOON...AND HEATING HAS
OCCURRED WITH TEMPERATURES CLIMBING INTO THE UPPER 70S TO MID 80S
ACROSS CENTRAL/SOUTHERN ARKANSAS. 18Z SOUNDING FROM LITTLE ROCK
SHOWED WEAK CAPPING...WHICH HAS HELD SO FAR. HOWEVER...A STORM
SYSTEM WAS HEADING THROUGH NORTHEAST TEXAS...AND WILL BE THE
FORCING MECHANISM TO GET STORMS GOING BY 22Z.

0-1KM HELICITY VALUES WILL CLIMB OVER 250 M2/S2 IN THE
CENTRAL/SOUTHERN COUNTIES. STORMS WITH ROTATING UPDRAFTS ARE
LIKELY...WITH TORNADOES EXPECTED. A FEW STRONG LONG TRACK
TORNADOES ARE POSSIBLE.

AS THE NIGHT PROGRESSES...SHOWERS/THUNDERSTORMS WILL BECOME MORE
WIDESPREAD IN THE SOUTHEAST HALF OF ARKANSAS...AND THE FOCUS WILL
GRADUALLY SHIFT TO HEAVY/EXCESSIVE RAIN. ONE TO FOUR INCHES OF
RAIN IS IN THE FORECAST...WITH A FLASH FLOOD WATCH REMAINING IN
EFFECT.

AS THE SYSTEM PASSES TO THE NORTHEAST...A COLD FRONT WILL PUSH
THROUGH THE REGION. SHOWERS/THUNDERSTORMS SHOULD LINGER IN AREAS
TOWARD THE MISSISSIPPI RIVER SUNDAY MORNING...BUT PRECIPITATION
WILL END BY AFTERNOON.

HIGH PRESSURE WILL BUILD INTO THE REGION FROM THE PLAINS
MONDAY/TUESDAY...WITH SLIGHTLY COOLER AND DRIER AIR.

LONG TERM...WEDNESDAY THROUGH SATURDAY
ZONAL FLOW WILL BECOME MORE SOUTHWEST BY THURSDAY. DRY AIR WILL BE
OVER MUCH OF THE AREA THROUGH THE MOST OF THE PERIOD. A COLD FRONT
WILL MOVE INTO THE AREA FRIDAY AND BRING A SLIGHT CHANCE OF SHOWERS
AND THUNDERSTORMS. MOISTURE IS STILL LACKING ON FRIDAY BUT AN
INCREASE IS SEEN ALONG THE FRONT. ABOVE NORMAL TEMPERATURES ARE
EXPECTED WEDNESDAY AND THURSDAY AND NEAR NORMAL AFTER THE FRONT
PASSES.

&&

.PRELIMINARY POINT TEMPS/POPS...
BATESVILLE AR     58  74  52  78 /  80  20  10  10
CAMDEN AR         62  77  54  83 /  80  30  10  10
HARRISON AR       50  72  51  77 /  50  10  10  10
HOT SPRINGS AR    56  75  53  80 /  70  10  10  10
LITTLE ROCK   AR  61  75  53  81 /  80  20  10  10
MONTICELLO AR     65  77  55  84 /  90  40  10  10
MOUNT IDA AR      54  75  52  77 /  60  10  10  10
MOUNTAIN HOME AR  54  73  51  79 /  60  10  10  10
NEWPORT AR        62  75  53  79 /  80  20  10  10
PINE BLUFF AR     64  76  54  81 /  80  30  10  10
RUSSELLVILLE AR   56  74  49  79 /  60  10  10  10
SEARCY AR         61  75  53  79 /  80  20  10  10
STUTTGART AR      64  75  54  80 /  90  30  10  10
&&

.LZK WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH SUNDAY MORNING FOR ARKANSAS-BRADLEY-
CALHOUN-CLARK-CLEBURNE-CLEVELAND-DALLAS-DESHA-DREW-FAULKNER-
GRANT-HOT SPRING-INDEPENDENCE-JACKSON-JEFFERSON-LINCOLN-LONOKE-
MONROE-OUACHITA-PRAIRIE-PULASKI-SALINE-SHARP-WHITE-WOODRUFF.

&&

AVIATION...51
Hazardous weather outlook, May 1, 12:00 PM CDT, 6 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE LITTLE ROCK AR
1200 PM CDT SAT MAY 1 2010

ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-021000-
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-
1200 PM CDT SAT MAY 1 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

PRECIPITATION WAS BECOMING ISOLATED LATE THIS MORNING...AND BREAKS
IN THE CLOUDS WERE ALLOWING FOR SOME HEATING. THIS WILL DESTABILIZE
THE ATMOSPHERE. LATER THIS AFTERNOON AND EVENING...A STORM SYSTEM
WILL APPROACH FROM THE SOUTHWEST. THE SYSTEM WILL TRIGGER ADDITIONAL
THUNDERSTORM DEVELOPMENT...WITH SEVERE WEATHER LIKELY IN THE
SOUTHEAST HALF OF THE STATE.

THERE WILL BE A LOT OF WIND SHEAR IN PLACE. WINDS WILL TURN WITH
HEIGHT...AND THIS WILL CREATE ROTATION IN DEVELOPING STORMS AND
TORNADOES WILL LIKELY BE SPAWNED. A FEW STRONG AND LONG TRACK
TORNADOES ARE POSSIBLE.

THERE IS A HIGH RISK OF SEVERE WEATHER IN MUCH OF SOUTHERN AND
EASTERN ARKANSAS THIS AFTERNOON AND EVENING. THIS INCLUDES AREAS
SOUTH AND EAST OF HOT SPRINGS...CONWAY AND BATESVILLE.

AS SHOWERS AND THUNDERSTORMS BECOME WIDESPREAD TONIGHT...THERE WILL
BE AREAS OF HEAVY RAIN. AN ADDITIONAL TWO TO FOUR INCHES OF RAIN
COULD FALL IN THE SOUTH AND EAST...CREATING HIGH WATER PROBLEMS. A
FLASH FLOOD WATCH HAS BEEN POSTED FOR THIS AREA THROUGH SUNDAY
MORNING.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A COLD FRONT WILL PUSH THROUGH THE REGION ON SUNDAY...WITH
PRECIPITATION FINALLY ENDING FROM THE WEST. THERE COULD BE LINGERING
SHOWERS AND THUNDERSTORMS IN AREAS CLOSE TO THE MISSISSIPPI
RIVER...WHICH WILL AGGRAVATE ANY HIGH WATER PROBLEMS THAT DEVELOP.
THERE IS ALSO A SLIGHT RISK OF SEVERE WEATHER IN THE FAR SOUTHEAST.

DRY WEATHER WILL RETURN MONDAY AND TUESDAY AS HIGH PRESSURE BUILDS
INTO ARKANSAS FROM THE PLAINS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE NECESSARY THIS AFTERNOON AND TONIGHT DUE
TO SEVERE WEATHER IN THE SOUTHEAST HALF OF ARKANSAS.

&&

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

62/46

In the hours before

Local storm report, May 1, 6:19 PM CDT, 17 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 30, 7:00 PM CDTTornado WarningLZKMontgomery, Polk, Scott30 min
Apr 30, 7:03 PM CDTSevere Thunderstorm WarningLZKConway, Pope, Yell42 min
Apr 30, 7:08 PM CDTTornado WarningLZKConway, Pope, Van Buren, Yell52 min
Apr 30, 7:40 PM CDTTornado WarningLZKStone, Van Buren65 min
Apr 30, 7:41 PM CDTTornado WarningLZKGrant, Pulaski, Saline49 min
Apr 30, 7:42 PM CDTTornado WarningLZKStone, Van Buren63 min
Apr 30, 7:47 PM CDTSevere Thunderstorm WarningLZKGarland, Montgomery, Perry, Saline, Scott, Yell43 min
Apr 30, 7:49 PM CDTTornado WarningLZKConway, Van Buren41 min
Apr 30, 7:51 PM CDTSevere Thunderstorm WarningLZKConway, Pope, Yell39 min
Apr 30, 8:01 PM CDTTornado WarningLZKGarland, Montgomery, Perry, Saline, Yell44 min
Apr 30, 8:23 PM CDTTornado WarningLZKLonoke, Pulaski, Saline37 min
Apr 30, 8:24 PM CDTSevere Thunderstorm WarningLZKConway, Garland, Logan, Montgomery, Perry, Pope and 2 more51 min
Apr 30, 8:27 PM CDTTornado WarningLZKFulton, Izard, Sharp, Stone21 min
Apr 30, 8:33 PM CDTTornado WarningLZKCleburne, Stone, Van Buren42 min
Apr 30, 8:37 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Van Buren23 min
Apr 30, 8:40 PM CDTTornado WarningLZKConway, Garland, Perry, Pope, Saline, Yell35 min
Apr 30, 8:44 PM CDTTornado WarningLZKClark, Garland, Hot Spring, Montgomery, Pike, Polk31 min
Apr 30, 8:46 PM CDTTornado WarningLZKClark, Dallas, Grant, Hot Spring, Jefferson44 min
Apr 30, 8:57 PM CDTTornado WarningLZKLonoke, Prairie, Pulaski, White48 min
Apr 30, 9:10 PM CDTTornado WarningLZKConway, Faulkner, Perry, Pope, Saline, Yell22 min
Apr 30, 9:14 PM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, Van Buren46 min
Apr 30, 9:14 PM CDTTornado WarningLZKClark, Garland, Hot Spring, Montgomery, Pike, Polk31 min
Apr 30, 9:18 PM CDTSevere Thunderstorm WarningLZKCleburne, Independence, Sharp, Stone57 min
Apr 30, 9:23 PM CDTTornado WarningLZKDallas, Grant, Hot Spring, Saline37 min
Apr 30, 9:30 PM CDTSevere Thunderstorm WarningLZKLonoke, Pulaski45 min
Apr 30, 9:37 PM CDTTornado WarningLZKClark, Dallas, Ouachita38 min
Apr 30, 9:41 PM CDTTornado WarningLZKClark, Dallas, Grant, Hot Spring49 min
Apr 30, 9:43 PM CDTTornado WarningLZKGarland, Hot Spring, Montgomery, Perry, Pike, Saline and 1 more32 min
Apr 30, 9:45 PM CDTFlash Flood WarningLZKCleburne, Independence, Izard, Sharp, Stone, Van Buren and 1 more3 hr
Apr 30, 9:46 PM CDTTornado WarningLZKIndependence, Jackson, White, Woodruff44 min
Apr 30, 9:51 PM CDTFlash Flood WarningLZKFaulkner, Lonoke, Prairie, Pulaski, Saline, White3 hr
Apr 30, 9:55 PM CDTTornado WarningLZKGrant, Pulaski, Saline50 min
Apr 30, 10:12 PM CDTTornado WarningLZKClark, Cleveland, Dallas, Grant, Hot Spring, Ouachita48 min
Apr 30, 10:12 PM CDTTornado WarningLZKConway, Garland, Montgomery, Perry, Pulaski, Saline and 1 more18 min
Apr 30, 10:25 PM CDTFlash Flood WarningLZKIndependence, Jackson, Prairie, White, Woodruff3 hr
Apr 30, 10:27 PM CDTTornado WarningLZKIndependence, Jackson, White, Woodruff48 min
Apr 30, 10:27 PM CDTTornado WarningLZKDallas, Grant, Hot Spring, Jefferson, Pulaski, Saline48 min
Apr 30, 10:55 PM CDTTornado WarningLZKCleveland, Dallas, Grant, Jefferson50 min
Apr 30, 11:01 PM CDTFlash Flood WarningLZKClark, Dallas, Grant, Hot Spring2 hr
Apr 30, 11:28 PM CDTTornado WarningLZKGrant, Jefferson, Lonoke, Pulaski, Saline32 min
Apr 30, 11:38 PM CDTSevere Thunderstorm WarningLZKJackson, Prairie, White, Woodruff37 min
Apr 30, 11:46 PM CDTSevere Thunderstorm WarningLZKClark, Dallas, Grant, Hot Spring, Ouachita, Saline44 min
Apr 30, 11:56 PM CDTSevere Thunderstorm WarningLZKGrant, Jefferson, Lonoke, Pulaski, Saline34 min
May 1, 12:09 AM CDTSevere Thunderstorm WarningLZKJackson, Lonoke, Monroe, Prairie, White, Woodruff36 min
May 1, 12:23 AM CDTSevere Thunderstorm WarningLZKCleburne, Faulkner, Lonoke, Pulaski, White25 min
May 1, 12:43 AM CDTFlash Flood WarningLZKLonoke, Pulaski, Saline3 hr
May 1, 1:02 AM CDTSevere Thunderstorm WarningLZKClark, Dallas, Grant, Hot Spring, Saline43 min
May 1, 1:25 AM CDTFlash Flood WarningLZKCleburne, Independence, Jackson, Lonoke, Monroe, Prairie and 3 more3 hr
May 1, 1:38 AM CDTFlash Flood WarningLZKClark, Dallas, Grant, Hot Spring3 hr
May 1, 1:51 AM CDTTornado WarningLZKArkansas, Lonoke, Monroe, Prairie24 min
May 1, 2:09 AM CDTTornado WarningLZKMonroe, Prairie, Woodruff30 min
May 1, 3:50 AM CDTAreal Flood WarningLZKGrant, Jefferson, Lonoke, Prairie, Pulaski, Saline4 hr
May 1, 4:21 AM CDTFlash Flood WarningLZKArkansas, Monroe, Prairie, Woodruff3 hr
May 1, 4:23 AM CDTAreal Flood WarningLZKJackson, Lonoke, Monroe, Prairie, White, Woodruff4 hr
May 1, 4:27 AM CDTAreal Flood WarningLZKClark, Dallas, Grant, Hot Spring, Jefferson, Ouachita and 1 more4 hr
May 1, 9:57 AM CDTRiver Flood WarningLZKArkansas, Monroe48 hr
May 1, 10:02 AM CDTRiver Flood WarningLZKIndependence, Jackson, Lawrence4 days
May 1, 11:27 AM CDTSevere Thunderstorm WarningLZKArkansas, Desha48 min
May 1, 12:52 PM CDTSevere Thunderstorm WarningLZKMonroe, Prairie, Woodruff38 min
May 1, 1:21 PM CDTSevere Thunderstorm WarningLZKJackson, Woodruff39 min
May 1, 5:50 PM CDTSevere Thunderstorm WarningLZKGarland, Hot Spring, Perry, Saline40 min
May 1, 6:19 PM CDTTornado WarningLZKClark, Dallas, Ouachita41 min
May 1, 6:22 PM CDTSevere Thunderstorm WarningLZKConway, Faulkner, Perry, Pulaski, Saline38 min
May 1, 6:28 PM CDTTornado WarningLZKBradley, Calhoun, Cleveland, Drew47 min
May 1, 6:29 PM CDTSevere Thunderstorm WarningLZKGarland, Perry, Pulaski, Saline46 min
May 1, 6:37 PM CDTTornado WarningLZKGarland, Perry, Pulaski, Saline38 min
May 1, 6:42 PM CDTTornado WarningLZKCleveland, Dallas, Grant, Jefferson48 min
May 1, 6:44 PM CDTTornado WarningLZKFaulkner, Pulaski46 min

Nearby

Tornado Warnings in Arkansas, 2010Every tornado warning in 2010Tornadoes in 2010

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.