Alert archive / Arkansas / Flash Flood Warnings in 2009
Flash Flood Warning 85, NWS Little Rock, AR
NWS Little Rock, AR issued this flash flood warning at Aug 5, 2009, 4:29 PM CDT for Logan County, Scott County, Arkansas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 5, 2009, 4:29 PM CDT (21:29 UTC)
- Expired
- Aug 5, 2009, 7:30 PM CDT
- In force
- 3 hr
- Issued by
- NWS Little Rock, AR
- Area
- Storm-based polygon
- Flood severity
- None
Counties Logan County, AR, Scott County, AR
The radar
The Western Arkansas radar (KSRX), 51 km from the middle of the area, began a volume at 21:30 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
Springfield, MO (KSGF), launched 12:00Z, 9.5 hours before the alert went out and 207 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
- 1210 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 1076 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 7 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.6
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Aug 5, 2:40 PM CDT, 1 hour 49 minutes earlier.
Area forecast discussion, Aug 5, 2:40 PM CDT, 1 hour 49 minutes before
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</html>The office that day
Everything else NWS Little Rock, AR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 1:00 AM CDT | Severe Thunderstorm Warning | LZK | Fulton, Sharp | 45 min |
| Aug 5, 1:30 AM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 30 min |
| Aug 5, 1:44 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton | 31 min |
| Aug 5, 1:59 AM CDT | Severe Thunderstorm Warning | LZK | Independence, Sharp | 31 min |
| Aug 5, 1:59 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard, Marion | 46 min |
| Aug 5, 2:09 AM CDT | Flash Flood Warning | LZK | Fulton | 3 hr |
| Aug 5, 2:11 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Fulton, Izard, Sharp | 34 min |
| Aug 5, 2:45 AM CDT | Severe Thunderstorm Warning | LZK | Baxter, Stone | 26 min |
| Aug 5, 3:14 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Independence, Jackson, Stone, White | 46 min |
| Aug 5, 3:18 AM CDT | Tornado Warning | LZK | Cleburne, Independence, Jackson, White | 27 min |
| Aug 5, 3:28 AM CDT | Tornado Warning | LZK | Cleburne, White | 32 min |
| Aug 5, 3:48 AM CDT | Tornado Warning | LZK | Lonoke, Prairie, White | 42 min |
| Aug 5, 4:23 AM CDT | Tornado Warning | LZK | Arkansas, Jefferson, Lonoke, Pulaski | 36 min |
| Aug 5, 7:06 AM CDT | Severe Thunderstorm Warning | LZK | Pike | 24 min |
| Aug 5, 7:26 AM CDT | Severe Thunderstorm Warning | LZK | Pike | 24 min |
| Aug 5, 7:59 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 46 min |
| Aug 5, 8:10 AM CDT | Severe Thunderstorm Warning | LZK | Calhoun, Dallas, Ouachita | 50 min |
| Aug 5, 8:40 AM CDT | Severe Thunderstorm Warning | LZK | Jefferson | 35 min |
| Aug 5, 3:28 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 62 min |
| Aug 5, 4:06 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott | 54 min |
| Aug 5, 4:47 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Scott, Yell | 58 min |
| Aug 5, 5:23 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Yell | 37 min |
| Aug 5, 6:00 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Yell | 60 min |
| Aug 5, 6:05 PM CDT | Severe Thunderstorm Warning | LZK | Logan | 40 min |
Nearby
Flash Flood Warnings in Arkansas, 2009Every flash flood 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.