Alert archive / Arkansas / Excessive Heat Warnings in 2008
Excessive Heat Warning 2, NWS Memphis, TN
NWS Memphis, TN issued this excessive heat warning at Aug 3, 2008, 4:12 AM CDT for 8 counties in Mississippi; Shelby County, Tipton County, Tennessee; 12 counties in Arkansas. It was in force for 24 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 3, 2008, 4:12 AM CDT (09:12 UTC)
- Expired
- Aug 4, 2008, 4:26 AM CDT
- In force
- 24 hr
- Issued by
- NWS Memphis, TN
All 22 counties
Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, Randolph County, AR, St. Francis County, AR, Coahoma County, MS, DeSoto County, MS, Panola County, MS, Quitman County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Yalobusha County, MS, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 54 km from the middle of the area, began a volume at 08:58 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
Little Rock, AR (KLZK), launched 00:00Z, 9.2 hours before the alert went out and 51 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
- 2956 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 2095 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 29 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this excessive heat 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 excessive heat warning went out at Aug 2, 9:47 PM CDT, 6 hours 25 minutes earlier.
Area forecast discussion, Aug 2, 9:47 PM CDT, 6 hours 25 minutes before
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</html>Hazardous weather outlook, Aug 2, 11:31 PM CDT, 4 hours 41 minutes before
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Special weather statement, Aug 2, 10:47 PM CDT, 5 hours 25 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 |
|---|---|---|---|---|
| Aug 2, 7:25 PM CDT | Severe Thunderstorm Warning | MEG | Lafayette, Pontotoc, Union | 50 min |
| Aug 2, 7:30 PM CDT | Severe Thunderstorm Warning | MEG | Chickasaw | 45 min |
| Aug 2, 7:42 PM CDT | Severe Thunderstorm Warning | MEG | Lafayette, Panola | 48 min |
| Aug 2, 8:15 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Lafayette, Pontotoc, Union | 45 min |
| Aug 2, 8:26 PM CDT | Flash Flood Warning | MEG | Lafayette, Pontotoc, Union | 2 hr |
| Aug 2, 8:35 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun | 40 min |
| Aug 2, 8:50 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Lafayette, Yalobusha | 25 min |
| Aug 2, 9:10 PM CDT | Flash Flood Warning | MEG | Lafayette | 2 hr |
| Aug 2, 9:13 PM CDT | Severe Thunderstorm Warning | MEG | Calhoun, Lafayette, Yalobusha | 47 min |
| Aug 2, 9:58 PM CDT | Severe Thunderstorm Warning | MEG | Yalobusha | 47 min |
| Aug 3, 3:44 PM CDT | Areal Flood Advisory | MEG | Tallahatchie | 91 min |
| Aug 3, 3:46 PM CDT | Heat Advisory | MEG | Alcorn, Prentiss, Tishomingo | 13 hr |
| Aug 3, 5:24 PM CDT | Severe Thunderstorm Warning | MEG | DeSoto, Tate, Tunica | 51 min |
| Aug 3, 6:13 PM CDT | Severe Thunderstorm Warning | MEG | Coahoma, Tunica | 47 min |
| Aug 3, 6:21 PM CDT | Severe Thunderstorm Warning | MEG | Panola, Quitman, Tunica | 24 min |
| Aug 3, 6:43 PM CDT | Flash Flood Warning | MEG | Tunica | 2 hr |
| Aug 3, 6:36 PM CDT | Severe Thunderstorm Warning | MEG | Phillips | 39 min |
| Aug 3, 6:52 PM CDT | Severe Thunderstorm Warning | MEG | Lee, Phillips | 38 min |
Nearby
Excessive Heat Warnings in Arkansas, 2008Excessive Heat Warnings in Mississippi, 2008Excessive Heat Warnings in Tennessee, 2008Every excessive heat warning in 2008
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.