Alert archive / Arkansas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 364, NWS Little Rock, AR
NWS Little Rock, AR issued this severe thunderstorm warning at Aug 29, 2001, 1:43 PM CDT for Newton County, Arkansas. It was in force for 32 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 29, 2001, 1:43 PM CDT (18:43 UTC)
- Expired
- Aug 29, 2001, 2:15 PM CDT
- In force
- 32 min
- Issued by
- NWS Little Rock, AR
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Newton County, AR
The radar
The Western Arkansas radar (KSRX), 125 km from the middle of the area, began a volume at 18:42 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 29, 1:50 PM CDT | Hail 0.88 | Deer, AR |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 6.7 hours before the alert went out and 121 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
- 1440 J/kg
- Mixed-layer CIN
- -161 J/kg
- Mixed-layer LCL
- 1367 m above ground
- 0-6 km bulk shear
- 5 kt
- 0-1 km storm-relative helicity
- 35 m²/s²
- 0-3 km storm-relative helicity
- 91 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 29, 1:12 PM CDT, 31 minutes earlier.
Area forecast discussion, Aug 29, 1:12 PM CDT, 31 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE LITTLE ROCK AR 112 PM CDT WED AUG 29 2001 UPDATED ZONES TO INCLUDE A SLIGHT CHANCE OF SHOWERS AND THUNDERSHOWERS ACROSS THE NORTH. KLZK RADAR SHOWS THUNDERSHOWERS DEVELOPING IN THE NORTHWEST SECTIONS. ALSO WENT WITH MOSTLY CLOUDY WORDING IN ALL AREAS. DECENT CUMULUS FIELD HAS DEVELOPED ACROSS NORTHWEST AND NORTH CENTRAL ARKANSAS. HIGHER CLOUDS CONTINUE TO STREAM NORTHWARD ACROSS THE AREA. REST OF FORECAST LOOKS GOOD. .LIT...NONE. 51
The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 29, 2:27 PM CDT | Flash Flood Warning | LZK | Newton | 118 min |
| Aug 29, 5:53 PM CDT | Severe Thunderstorm Warning | LZK | Baxter | 37 min |
| Aug 29, 6:09 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 36 min |
| Aug 29, 6:41 PM CDT | Severe Thunderstorm Warning | LZK | Lonoke | 34 min |
Nearby
Severe Thunderstorm Warnings in Arkansas, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.