Alert archive / Tennessee / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 21, NWS Memphis, TN
NWS Memphis, TN issued this severe thunderstorm warning at Apr 5, 2009, 11:34 AM CDT for Lake County, Obion County, Tennessee; Pemiscot County, Missouri. It was in force for 19 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
- Apr 5, 2009, 11:34 AM CDT (16:34 UTC)
- Expired
- Apr 5, 2009, 11:53 AM CDT
- In force
- 19 min
- Issued by
- NWS Memphis, TN
- Area
- Storm-based polygon
Counties Pemiscot County, MO, Lake County, TN, Obion County, TN
The radar
The Paducah radar (KPAH), 90 km from the middle of the area, began a volume at 16:37 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 12:00Z, 4.6 hours before the alert went out and 186 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
- 39 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 563 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 92 m²/s²
- 0-3 km storm-relative helicity
- 185 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KMEG 051634
SVRMEG
MOC155-TNC095-131-051715-
/O.NEW.KMEG.SV.W.0021.090405T1634Z-090405T1715Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MEMPHIS TN
1134 AM CDT SUN APR 5 2009
THE NATIONAL WEATHER SERVICE IN MEMPHIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN LAKE COUNTY IN NORTHWEST TENNESSEE...
NORTHERN OBION COUNTY IN NORTHWEST TENNESSEE...
NORTHEASTERN PEMISCOT COUNTY IN SOUTHEAST MISSOURI...
* UNTIL 1215 PM CDT
* AT 1134 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 9 MILES
WEST OF TIPTONVILLE...OR NEAR PORTAGEVILLE...AND MOVING EAST AT 65
MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
REELFOOT LAKE STATE PARK...CLAYTON...UNION CITY AND SOUTH FULTON.
THIS WARNING ALSO INCLUDES REELFOOT LAKE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
.THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.
.STAY TUNED TO THIS BROADCAST FOR THE LATEST UPDATES AND INFORMATION.
TO REPORT SEVERE WEATHER ONLY...CALL 1 800 4 3 2 0 8 7 5.
&&
LAT...LON 3650 8882 3648 8881 3643 8881 3627 8970
3641 8976 3643 8975 3644 8972 3641 8967
3642 8961 3636 8954 3640 8953 ONE...THIS AFTERNOON AND TONIGHT
NON PRECIPITATION
BRIEF AND LOCALIZED SUSTAINED NORTHERLY WIND SPEEDS OF 30 TO 35
MPH WILL BE POSSIBLE ACROSS MUCH OF THE OUTLOOK AREA THROUGH MID-
AFTERNOON. ALSO...A HARD FREEZE IS EXPECTED OVER MOST OF THE AREA
MONDAY MORNING.
.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY
STRONG WINDS AND CRITICAL FIRE WEATHER CONDITIONS MAY BE POSSIBLE
OVER PORTIONS OF THE OUTLOOK AREA ON WEDNESDAY.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION WILL NOT BE REQUIRED.
$$2 follow-up statements
000
WWUS54 KMEG 051648
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1148 AM CDT SUN APR 5 2009
MOC155-051656-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-090405T1715Z/
PEMISCOT MO-
1148 AM CDT SUN APR 5 2009
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN PEMISCOT COUNTY
IS CANCELLED...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF PEMISCOT
COUNTY.
LAT...LON 3650 8887 3636 8949 3647 8953 3651 8953
3650 8949 3645 8948 3651 8941
TIME...MOT...LOC 1646Z 252DEG 57KT 3648 8941
$$
TNC095-131-051715-
/O.CON.KMEG.SV.W.0021.000000T0000Z-090405T1715Z/
LAKE TN-OBION TN-
1148 AM CDT SUN APR 5 2009
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR NORTHWESTERN OBION AND NORTHEASTERN LAKE COUNTIES...
AT 1144 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR CATES...OR 7 MILES NORTH OF REELFOOT LAKE STATE PARK...
MOVING EAST AT 65 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO GRAYS
CAMP...SPOUT SPRINGS...WALNUT LOG...CLAYTON...FREMONT...CRYSTAL AND
WOODLAND MILLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED... ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SUNDAY EVENING
FOR PORTIONS OF NORTHWEST TENNESSEE.
&&
LAT...LON 3650 8887 3636 8949 3647 8953 3651 8953
3650 8949 3645 8948 3651 8941
TIME...MOT...LOC 1646Z 252DEG 57KT 3648 8941
$$000
WWUS54 KMEG 051653
SVSMEG
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MEMPHIS TN
1153 AM CDT SUN APR 5 2009
TNC095-131-051703-
/O.CAN.KMEG.SV.W.0021.000000T0000Z-090405T1715Z/
LAKE TN-OBION TN-
1153 AM CDT SUN APR 5 2009
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN OBION AND
NORTHEASTERN LAKE COUNTIES IS CANCELLED...
THE THUNDERSTORM THAT PROMPTED THE WARNING HAS MOVED OUT OF THE AREA
AND WEAKENED.
A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 PM CDT SUNDAY EVENING FOR
PORTIONS OF NORTHWEST TENNESSEE.
LAT...LON 3650 8887 3636 8949 3647 8953 3651 8953
3650 8949 3645 8948 3651 8941
TIME...MOT...LOC 1653Z 252DEG 57KT 3651 8928
$$The office that day
Everything else NWS Memphis, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 4:05 AM CDT | Freeze Watch | MEG | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more | 24 hr |
| Apr 5, 4:05 AM CDT | Wind Advisory | MEG | Carroll, Chester, Crockett, Decatur, Dyer, Fayette and 14 more | 24 hr |
| Apr 5, 10:50 AM CDT | Severe Thunderstorm Warning | MEG | Dunklin | 38 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2009Severe Thunderstorm Warnings in Missouri, 2009Every severe thunderstorm 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.