Alert archive / Arkansas / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 64, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Apr 4, 2007, 12:16 AM CDT for Bradley County, Drew County, Arkansas. It was in force for 29 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
- Apr 4, 2007, 12:16 AM CDT (05:16 UTC)
- Expired
- Apr 4, 2007, 12:45 AM CDT
- In force
- 29 min
- Issued by
- NWS Little Rock, AR
- Area
- Counties, with a storm outline in the text
Counties Bradley County, AR, Drew County, AR
The radar
The Little Rock radar (KLZK), 149 km from the middle of the area, began a volume at 05:17 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.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 3, 9:53 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 5.3 hours before the alert went out and 205 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
- 2446 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 1083 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 42 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Apr 3, 2:05 PM CDT, 10 hours 11 minutes earlier.
Area forecast discussion, Apr 3, 2:05 PM CDT, 10 hours 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 205 PM CDT TUE APR 3 2007 .DISCUSSION... ON-GOING CONVECTION OVER MO FIRING AHEAD OF THE COLD FRONT...& AS THE SHORTWAVE ENERGY MOVES EAST. SOUTHWEST END HAS BEEN SLOW TO FIRE...BUT WITH LAPS DATA SHOWING LI OF -8 TO -10...WHILE THETA-E SURGE HAS NOW SHIFTED TO FAR SE OK TO CENTRAL MO. 18Z SOUNDING FROM KLZK HAD A PRECIP WATER 0.99 INCHES...LI OF -7.2...CAPE OF 2355 J/KG...& A WIND FIELD OF SW 10-40 SURFACE TO 6K FT. THIS SOUNDING IS SLIGHTLY LESS UNSTABLE THAN 12Z SOUNDING...INVERSION STILL PRESENT AT 4K-8K FT. EXPECTING ISOLATED SEVERE STORMS WITH THE SQUALL- LINE AS IT MOVES E-SE AHEAD OF THE COLD FRONT. UP POPS TO 50% CHANCE OVER MOST AR EARLIER...& MAY HAVE TO GO LIKELY IN SOME NE SPOTS LATER. SPC CONTINUES A MODERATE RISK...OVER CENTRAL AR FOR DAY ONE. PRESSURE GRADIENT AHEAD OF THE COLD FRONT HAS INCREASED TO PROMPT LAKE WIND ADV THROUGH MIDNIGHT OVER ALL OF AR. AS STATED EARLIER... OVERALL JET DYNAMICS ARE NOT IMPRESSIVE...BUT ENOUGH MOISTURE...INSTABILITY & LIFT WILL OVERCOME. WITHOUT GREAT JET DYNAMICS...SEVERE POTENTIAL WILL BE LIMITED. COLD FRONT HAS MADE SOME PROGRESS E-SE...& LOCATED OVER FAR SE KS...NORTH TO NEAR KUIN. && .SHORT TERM...TONIGHT THROUGH FRIDAY NIGHT MODELS HAVE SHORTWAVE ENERGY QUICKLY MOVING THROUGH AR FROM 18Z- 00Z THIS AFTERNOON TO EVENING...WITH MAIN LIFT OVER FAR SE AR AT 00Z. HAVE GOOD CHANCE OF CONVECTION IN FORECAST WITH MENTION OF SEVERE STORM POTENTIAL. ALSO EXPECTED SPEED OF SHORTWAVE MOVEMENT SHOULD LIMIT SOME SEVERE POTENTIAL & COVERAGE...BUT WILL SEE SQUALL-LINE FORM AHEAD OF THE COLD FRONT...& SWEEP ACROSS THE STATE. OVERALL ATMOSPHERIC SHEAR APPEARS TO BE LIMITED...SO MAIN THREAT OF SEVERE STORMS WILL BE LARGE HAIL...STRONG WINDS...WITH ONLY ISOLATED TORNADOES. 00Z- 06Z...ENERGY IS PUSHING SOUTH OF AR...& STORMS SHOULD HAVE EXITED THE STATE BY 06Z. MUCH COOLER & DRIER AIR THEN FILTERS IN OVER AR FOR WEDNESDAY & THE REST OF THE WEEK...TAKING TEMPS BACK TO BELOW NORMALS...FROM NORMAL LOWS IN THE MID 40S WHILE HIGHS IN THE MID & UPPER 60S. WILL HAVE TO CONSIDER MENTION OF FROST LATE IN THE WEEK...TO POSSIBLE FREEZE WATCH OR WARNING OVER THE WEEKEND...ESPECIALLY IN NORTHERN PARTS OF THE STATE. && .LONG TERM...SATURDAY THROUGH TUESDAY NWLY FLOW ALOFT IS FCST TO PERSIST OVER THE MIDDLE OF THE NATION DURG THE PD. SEVERAL UPPER LVL SYSTEMS WL DROP SEWD AND BRING REINFORCING SHOTS OF COOLER AIR TO THE FA. FIRST SYS WL AFFECT THE AREA EARLY IN THE WEEKEND...WITH SMALL CHCS OF LGT RAIN POSSIBLE OVR MAINLY WRN AR SAT AFTN AND EVENING. RATHER CHILLY AIR WL FOLLOW... WITH LOWS BY SUN MRNG IN THE UPPER 20S TO LOWER 30S...THREATENING TENDER VEGETATION OVR MUCH OF THE FA. SOME MODERATION IN TEMPS EXPECTED BY MON AND ANOTHER UPPER SYS PASSES NE OF THE STATE MON NGT AND TUE. RAIN CHCS WL BE LIMITED AS BULK OF LIFT RMNS N OF THE FA. && .PRELIMINARY POINT TEMPS/POPS... BATESVILLE AR 47 61 35 57 / 50 10 0 10 CAMDEN AR 50 64 41 61 / 50 10 0 10 HARRISON AR 40 58 34 56 / 50 10 0 10 HOT SPRINGS AR 49 64 40 60 / 50 10 0 10 LITTLE ROCK AR 49 63 39 60 / 50 10 0 10 MONTICELLO AR 53 65 41 62 / 50 10 0 10 MOUNT IDA AR 47 63 40 60 / 50 10 0 10 MOUNTAIN HOME AR 42 58 33 56 / 50 10 0 10 NEWPORT AR 49 61 35 56 / 50 10 0 10 PINE BLUFF AR 51 65 40 61 / 50 10 0 10 RUSSELLVILLE AR 45 61 37 58 / 50 10 0 10 SEARCY AR 49 62 38 58 / 50 10 0 10 STUTTGART AR 51 64 39 60 / 50 10 0 10 && .LZK WATCHES/WARNINGS/ADVISORIES... LAKE WIND ADVISORY UNTIL MIDNIGHT CDT TONIGHT FOR 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. && SHORT TERM...59 / LONG TERM...44
Hazardous weather outlook, Apr 3, 3:40 PM CDT, 8 hours 36 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE LITTLE ROCK AR 340 PM CDT TUE APR 3 2007 ARZ003>007-012>016-021>025-030>034-037>047-052>057-062>069-041000- 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- 340 PM CDT TUE APR 3 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR A LARGE PART OF ARKANSAS. .DAY ONE...THIS AFTERNOON AND TONIGHT SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN AREAS NORTH OF ARKANSAS EARLY THIS AFTERNOON. THE STORMS WERE POPPING UP FROM THE OHIO VALLEY TO MISSOURI. IN ARKANSAS...WARM AIR ALOFT WAS CAPPING THE ATMOSPHERE...WITH NO STORMS AS OF 3 PM CDT. THAT WILL CHANGE THE AFTERNOON PROGRESSES. A COLD FRONT WILL PUSH INTO THE STATE...WITH THE CAP WEAKENING. THUNDERSTORMS WILL DEVELOP ALONG THE FRONT...WITH THE STORMS AFFECTING ABOUT THE NORTHERN HALF OF THE STATE THROUGH 7 PM THIS EVENING. STORMS WILL PUSH INTO SOUTHERN ARKANSAS AFTER 7 PM. SEVERE WEATHER WILL BE LIKELY. THE MAIN CONCERNS WILL BE STRONG TO DAMAGING WINDS AND LARGE HAIL. ISOLATED TORNADOES CANNOT BE RULED OUT. THE FRONT WILL EXIT THE STATE TO THE SOUTH AFTER MIDNIGHT...WITH MUCH COOLER AIR TO FOLLOW. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A NORTHWEST WIND FLOW BEHIND THE FRONT WILL BRING SEVERAL ROUNDS OF COOL AIR IN THE COMING DAYS. CANADIAN HIGH PRESSURE WILL SLOWLY BUILD TOWARD THE REGION...WITH TEMPERATURES APPROACHING FREEZING IN PORTIONS OF NORTHERN ARKANSAS DURING THE EARLY MORNING HOURS THURSDAY THROUGH SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NECESSARY THIS AFTERNOON AND EVENING. && VISIT NWS LITTLE ROCK ON THE WEB. GO TO HTTP://WEATHER.GOV AND CLICK ON CENTRAL ARKANSAS. 46
In the hours before
Local storm report, Apr 3, 6:20 PM CDT, 5 hours 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
620 PM CDT TUE APR 03 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0615 PM HAIL ADONA 35.03N 92.92W
04/03/2007 E1.00 INCH PERRY AR TRAINED SPOTTER
&&
55Local storm report, Apr 3, 6:33 PM CDT, 5 hours 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LITTLE ROCK AR
633 PM CDT TUE APR 03 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0630 PM HAIL PERRYVILLE 35.01N 92.80W
04/03/2007 E0.75 INCH PERRY AR LAW ENFORCEMENT
&&
55The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:00 PM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson | 60 min |
| Apr 3, 7:25 PM CDT | Flash Flood Warning | LZK | Perry, Pulaski | 2 hr |
| Apr 3, 7:30 PM CDT | Flash Flood Warning | LZK | Independence, White | 2 hr |
| Apr 3, 7:45 PM CDT | Severe Thunderstorm Warning | LZK | Perry, Pulaski, Saline | 60 min |
| Apr 3, 8:00 PM CDT | Severe Thunderstorm Warning | LZK | Polk | 45 min |
| Apr 3, 8:04 PM CDT | Severe Thunderstorm Warning | LZK | White, Woodruff | 56 min |
| Apr 3, 8:43 PM CDT | Severe Thunderstorm Warning | LZK | Pulaski, Saline | 62 min |
| Apr 3, 9:30 PM CDT | Flash Flood Warning | LZK | Pulaski | 2 hr |
| Apr 3, 9:34 PM CDT | Severe Thunderstorm Warning | LZK | Grant, Jefferson | 56 min |
| Apr 3, 9:43 PM CDT | Severe Thunderstorm Warning | LZK | Monroe | 47 min |
| Apr 3, 9:45 PM CDT | Severe Thunderstorm Warning | LZK | Saline | 30 min |
| Apr 3, 10:29 PM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Cleveland, Grant, Jefferson, Lincoln, Monroe | 61 min |
| Apr 3, 11:25 PM CDT | Severe Thunderstorm Warning | LZK | Calhoun | 50 min |
| Apr 3, 11:32 PM CDT | Severe Thunderstorm Warning | LZK | Drew, Lincoln | 43 min |
| Apr 3, 11:38 PM CDT | Severe Thunderstorm Warning | LZK | Bradley, Cleveland | 37 min |
| Apr 3, 11:42 PM CDT | Severe Thunderstorm Warning | LZK | Desha | 48 min |
| Apr 4, 4:00 AM CDT | Freeze Watch | LZK | Baxter, Fulton, Izard, Marion, Sharp, Stone | 7 hr |
| Apr 4, 11:12 AM CDT | Freeze Warning | LZK | Baxter, Fulton, Izard, Marion, Sharp, Stone | 21 hr |
| Apr 4, 3:04 PM CDT | Freeze Watch | LZK | Baxter, Fulton, Izard, Marion, Sharp, Stone | 13 hr |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2007Every severe thunderstorm warning in 2007
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.