Alert archive / Mississippi / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 182, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Sep 1, 2021, 1:12 PM CDT for Monroe County, Mississippi. It was in force for 18 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Sep 1, 2021, 1:12 PM CDT (18:12 UTC)
- Expired
- Sep 1, 2021, 1:30 PM CDT
- In force
- 18 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Monroe County, MS
The radar
The Columbus AFB radar (KGWX), 22 km from the middle of the area, began a volume at 18:15 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
Birmingham, AL (KBMX), launched 12:00Z, 6.2 hours before the alert went out and 161 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
- 170 J/kg
- Mixed-layer CIN
- -55 J/kg
- Mixed-layer LCL
- 990 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
020
WUUS54 KMEG 011812
SVRMEG
MSC095-011830-
/O.NEW.KMEG.SV.W.0182.210901T1812Z-210901T1830Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Memphis TN
112 PM CDT Wed Sep 1 2021
The National Weather Service in Memphis has issued a
* Severe Thunderstorm Warning for...
Southeastern Monroe County in northeastern Mississippi...
* Until 130 PM CDT.
* At 112 PM CDT, a severe thunderstorm was located near Caledonia, or
11 miles north of Columbus AFB, moving southeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
New Hamilton.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3368 8849 3369 8852 3385 8831 3380 8824
3375 8825 3374 8833 3372 8833 3368 8837
3369 8839 3368 8840 3367 8842 3368 8843
3367 8843 3366 8848
TIME...MOT...LOC 1812Z 324DEG 22KT 3376 8837
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$1 follow-up statement
913
WWUS54 KMEG 011837
SVSMEG
Severe Weather Statement
National Weather Service Memphis TN
137 PM CDT Wed Sep 1 2021
MSC095-011831-
/O.EXP.KMEG.SV.W.0182.000000T0000Z-210901T1830Z/
Monroe MS-
137 PM CDT Wed Sep 1 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MONROE COUNTY
WILL EXPIRE AT 130 PM CDT...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.
LAT...LON 3368 8849 3369 8852 3385 8831 3380 8824
3375 8825 3374 8833 3372 8833 3368 8837
3369 8839 3368 8840 3367 8842 3368 8843
3367 8843 3366 8848
TIME...MOT...LOC 1821Z 324DEG 22KT 3372 8833
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 12:32 PM CDT | Special Weather Statement | MEG | Monroe | 43 min |
Nearby
Severe Thunderstorm Warnings in Mississippi, 2021Every severe thunderstorm warning in 2021
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.