Alert archive / Mississippi / Excessive Heat Warnings in 2015
Excessive Heat Warning 1, NWS Jackson, MS
NWS Jackson, MS issued this excessive heat warning at Jul 16, 2015, 3:15 AM CDT for 6 counties in Mississippi. It was in force for 12 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 16, 2015, 3:15 AM CDT (08:15 UTC)
- Expired
- Jul 16, 2015, 2:53 PM CDT
- In force
- 12 hr
- Issued by
- NWS Jackson, MS
Counties Bolivar County, MS, Grenada County, MS, Humphreys County, MS, Leflore County, MS, Sunflower County, MS, Washington County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 146 km from the middle of the area, began a volume at 08:15 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
Jackson, MS (KJAN), launched 00:00Z, 8.3 hours before the alert went out and 139 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
- 938 J/kg
- Mixed-layer CIN
- -61 J/kg
- Mixed-layer LCL
- 1525 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 30 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 Jackson, MS wrote its last area forecast discussion before this excessive heat warning went out at Jul 15, 9:32 PM CDT, 5 hours 43 minutes earlier.
Area forecast discussion, Jul 15, 9:32 PM CDT, 5 hours 43 minutes before
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</html>The office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 15, 7:01 PM CDT | Special Weather Statement | JAN | Choctaw, Noxubee, Winston | 44 min |
| Jul 15, 7:24 PM CDT | Severe Thunderstorm Warning | JAN | Carroll, Holmes, Leflore | 47 min |
| Jul 15, 7:50 PM CDT | Special Weather Statement | JAN | Attala, Lauderdale, Leake, Neshoba | 40 min |
| Jul 15, 7:57 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Carroll, Holmes | 39 min |
| Jul 15, 8:19 PM CDT | Severe Thunderstorm Warning | JAN | Attala, Holmes, Leake, Madison | 30 min |
| Jul 16, 3:15 AM CDT | Heat Advisory | JAN | Bolivar, Grenada, Humphreys, Leflore, Sunflower, Washington | 7 days |
| Jul 16, 3:00 PM CDT | Special Weather Statement | JAN | Lauderdale | 45 min |
| Jul 16, 3:06 PM CDT | Special Weather Statement | JAN | Kemper | 39 min |
| Jul 16, 3:22 PM CDT | Flash Flood Warning | JAN | Kemper, Lauderdale | 113 min |
Nearby
Excessive Heat Warnings in Mississippi, 2015Every excessive heat warning in 2015
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.