Alert archive / Arkansas / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 310, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Jun 14, 2009, 3:42 AM CDT for 4 counties in Arkansas. It was in force for 48 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
- Jun 14, 2009, 3:42 AM CDT (08:42 UTC)
- Expired
- Jun 14, 2009, 4:30 AM CDT
- In force
- 48 min
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
Counties Baxter County, AR, Izard County, AR, Marion County, AR, Stone County, AR
The radar
The Little Rock radar (KLZK), 146 km from the middle of the area, began a volume at 08:44 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 |
|---|---|---|---|
| Jun 14, 1:51 AM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 8.7 hours before the alert went out and 173 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
- 288 J/kg
- Mixed-layer CIN
- -230 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KLZK 140842 SVRLZK ARC005-065-089-137-140930- /O.NEW.KLZK.SV.W.0310.090614T0842Z-090614T0930Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LITTLE ROCK AR 342 AM CDT SUN JUN 14 2009 THE NATIONAL WEATHER SERVICE IN LITTLE ROCK HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN BAXTER COUNTY IN NORTH CENTRAL ARKANSAS NORTHWESTERN IZARD COUNTY IN NORTH CENTRAL ARKANSAS EXTREME SOUTHEASTERN MARION COUNTY IN NORTH CENTRAL ARKANSAS NORTH CENTRAL STONE COUNTY IN NORTH CENTRAL ARKANSAS * UNTIL 430 AM CDT * AT 342 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 11 MILES WEST OF CALICO ROCK...MOVING EAST AT 20 MPH. * LOCATIONS IMPACTED INCLUDE... CALICO ROCK... PINEVILLE... OXFORD... MELBOURNE... REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN LITTLE ROCK. LAT...LON 3625 9192 3603 9189 3601 9241 3619 9241 TIME...MOT...LOC 0842Z 263DEG 17KT 3611 9232 $$ 56
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:19 PM CDT | Severe Thunderstorm Warning | LZK | Scott | 41 min |
| Jun 14, 2:33 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Boone, Marion | 42 min |
| Jun 14, 2:37 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Logan, Pope, Scott, Yell | 38 min |
| Jun 14, 2:37 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Newton | 53 min |
| Jun 14, 3:05 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Izard, Marion, Stone | 40 min |
| Jun 14, 3:05 AM CDT | Severe Thunderstorm Warning | LZK | Conway, Johnson, Logan, Newton, Pope, Yell | 40 min |
| Jun 14, 3:10 AM CDT | Severe Thunderstorm Warning | LZK | Clark, Pike | 50 min |
| Jun 14, 3:43 AM CDT | Flash Flood Warning | LZK | Boone | 2 hr |
| Jun 14, 4:02 AM CDT | Flash Flood Warning | LZK | Baxter, Izard, Marion, Searcy, Stone | 2 hr |
| Jun 14, 4:17 AM CDT | Severe Thunderstorm Warning | LZK | Independence, Jackson | 44 min |
| Jun 14, 4:49 AM CDT | Flash Flood Warning | LZK | Independence, Jackson | 3 hr |
| Jun 14, 6:40 AM CDT | Severe Thunderstorm Warning | LZK | Arkansas, Monroe | 22 min |
| Jun 14, 7:51 AM CDT | Flash Flood Warning | LZK | Independence, Jackson | 114 min |
| Jun 14, 9:54 AM CDT | River Flood Warning | LZK | White, Woodruff | 4 days |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2009Every severe thunderstorm warning in 2009
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.