Alert archive / Arkansas / Flash Flood Warnings in 2010
Flash Flood Warning 221, NWS Memphis, TN
NWS Memphis, TN issued this flash flood warning at Jul 12, 2010, 3:52 AM CDT for Greene County, Lawrence County, Randolph 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
- Jul 12, 2010, 3:52 AM CDT (08:52 UTC)
- Expired
- Jul 12, 2010, 6:45 AM CDT
- In force
- 3 hr
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, AR, Lawrence County, AR, Randolph County, AR
The radar
The Memphis radar (KNQA), 130 km from the middle of the area, began a volume at 08:52 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 00:00Z, 8.9 hours before the alert went out and 272 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
- 2169 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 1374 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 111 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 9.5
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 Memphis, TN wrote its last area forecast discussion before this flash flood warning went out at Jul 12, 12:35 AM CDT, 3 hours 17 minutes earlier.
Area forecast discussion, Jul 12, 12:35 AM CDT, 3 hours 17 minutes before
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Local storm report, Jul 11, 10:22 PM CDT, 5 hours 30 minutes before
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</html>The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 8:13 PM CDT | Flash Flood Warning | MEG | Carroll, Gibson, Henry, Weakley | 2 hr |
| Jul 12, 2:47 AM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Jul 12, 3:42 AM CDT | Flash Flood Warning | MEG | Shelby | 3 hr |
| Jul 12, 4:21 AM CDT | Flash Flood Watch | MEG | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more | 30 hr |
| Jul 12, 5:39 AM CDT | Flash Flood Warning | MEG | Shelby, Tipton | 3 hr |
| Jul 12, 6:36 AM CDT | Flash Flood Warning | MEG | Shelby | 84 min |
| Jul 12, 7:54 AM CDT | Flash Flood Warning | MEG | Shelby | 2 hr |
| Jul 12, 8:45 AM CDT | Flash Flood Warning | MEG | Shelby, Tipton | 60 min |
| Jul 12, 8:51 AM CDT | Flash Flood Warning | MEG | Fayette, Hardeman, Shelby | 114 min |
| Jul 12, 4:16 PM CDT | Areal Flood Advisory | MEG | Tipton | 3 hr |
| Jul 12, 4:17 PM CDT | Severe Thunderstorm Warning | MEG | Crockett, Haywood, Lauderdale, Madison, Tipton | 43 min |
| Jul 12, 4:46 PM CDT | Severe Thunderstorm Warning | MEG | Fayette, Haywood, Shelby, Tipton | 24 min |
| Jul 12, 5:52 PM CDT | Severe Thunderstorm Warning | MEG | Chester, Decatur, Henderson, Madison | 38 min |
| Jul 11, 8:55 PM CDT | Severe Thunderstorm Warning | MEG | Greene, Lawrence, Randolph | 34 min |
| Jul 11, 9:20 PM CDT | Flash Flood Warning | MEG | Clay, Greene, Lawrence, Randolph | 3 hr |
| Jul 11, 10:15 PM CDT | Flash Flood Warning | MEG | Craighead, Greene, Mississippi | 117 min |
| Jul 11, 10:22 PM CDT | Flash Flood Warning | MEG | Lawrence, Randolph | 113 min |
| Jul 12, 1:40 AM CDT | Flash Flood Warning | MEG | Cross, Poinsett | 5 hr |
| Jul 12, 2:24 PM CDT | Severe Thunderstorm Warning | MEG | Craighead, Greene, Lawrence, Poinsett | 51 min |
| Jul 12, 3:18 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Craighead, Greene, Mississippi | 30 min |
| Jul 12, 4:55 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence | 25 min |
| Jul 12, 4:57 PM CDT | Flash Flood Warning | MEG | Lawrence, Randolph | 2 hr |
| Jul 12, 6:35 PM CDT | Severe Thunderstorm Warning | MEG | Lee, St. Francis | 40 min |
| Jul 12, 6:42 PM CDT | Severe Thunderstorm Warning | MEG | Cross, Poinsett | 48 min |
Nearby
Flash Flood Warnings in Arkansas, 2010Every flash flood warning 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.