Alert archive / Tennessee / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 367, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Aug 7, 2011, 8:45 PM CDT for Coffee County, Grundy County, Tennessee. It was in force for 39 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Aug 7, 2011, 8:45 PM CDT (01:45 UTC)
- Expired
- Aug 7, 2011, 9:24 PM CDT
- In force
- 39 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Coffee County, TN, Grundy County, TN
The radar
The Northeast Alabama radar (KHTX), 45 km from the middle of the area, began a volume at 01:48 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 7, 8:50 PM CDT | TSTM WND DMG | 1 S Manchester, TN | TREES AND POWER LINES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 1.8 hours before the alert went out and 114 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
- 3433 J/kg
- Mixed-layer CIN
- -6 J/kg
- Mixed-layer LCL
- 1212 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
809
WUUS54 KOHX 080145
SVROHX
TNC031-061-080245-
/O.NEW.KOHX.SV.W.0367.110808T0145Z-110808T0245Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE NASHVILLE TN
845 PM CDT SUN AUG 7 2011
THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHEASTERN COFFEE COUNTY IN MIDDLE TENNESSEE...
SOUTHERN GRUNDY COUNTY IN MIDDLE TENNESSEE...
* UNTIL 945 PM CDT
* AT 839 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER
HAIL... AND DAMAGING WINDS IN EXCESS OF 60 MPH. THE STORM WAS 6
MILES SOUTH OF MANCHESTER...MOVING SOUTHEAST AT 15 MPH.
* LOCATIONS IMPACTED INCLUDE...
TRACY CITY...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL
WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. DO NOT
STAY OUTDOORS IF YOU ARE IN THE PATH OF SEVERE THUNDERSTORMS.
&&
LAT...LON 3523 8581 3522 8588 3529 8594 3531 8600
3534 8604 3536 8614 3535 8617 3549 8610
3537 8560 3530 8563 3528 8570 3524 8569
3521 8574 3521 8577
TIME...MOT...LOC 0142Z 294DEG 12KT 3537 8604
$$
JLM2 follow-up statements
823
WWUS54 KOHX 080200
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
900 PM CDT SUN AUG 7 2011
TNC031-061-080245-
/O.CON.KOHX.SV.W.0367.000000T0000Z-110808T0245Z/
COFFEE TN-GRUNDY TN-
900 PM CDT SUN AUG 7 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
GRUNDY AND SOUTHEASTERN COFFEE COUNTIES UNTIL 945 PM CDT...
AT 857 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 10 MILES
SOUTHEAST OF MANCHESTER...MOVING SOUTHEAST AT 15 MPH.
LOCATIONS IMPACTED INCLUDE...
TRACY CITY...GRUETLI-LAAGER AND COALMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.
&&
LAT...LON 3523 8581 3522 8588 3529 8594 3531 8600
3534 8604 3536 8614 3535 8617 3549 8610
3537 8560 3530 8563 3528 8570 3524 8569
3521 8574 3521 8577
TIME...MOT...LOC 0159Z 294DEG 12KT 3535 8598
$$
JLM559
WWUS54 KOHX 080224
SVSOHX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE NASHVILLE TN
924 PM CDT SUN AUG 7 2011
TNC031-061-080234-
/O.CAN.KOHX.SV.W.0367.000000T0000Z-110808T0245Z/
COFFEE TN-GRUNDY TN-
924 PM CDT SUN AUG 7 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN GRUNDY AND
SOUTHEASTERN COFFEE COUNTIES IS CANCELLED...
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
LAT...LON 3523 8581 3522 8588 3529 8594 3531 8600
3534 8604 3536 8614 3535 8617 3549 8610
3537 8560 3530 8563 3528 8570 3524 8569
3521 8574 3521 8577
TIME...MOT...LOC 0224Z 294DEG 12KT 3532 8589
$$
JLMThe office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 7, 7:17 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, Van Buren, White | 58 min |
| Aug 8, 2:10 PM CDT | Special Weather Statement | OHX | Lawrence | 35 min |
| Aug 8, 5:26 PM CDT | Severe Thunderstorm Warning | OHX | Bedford, Cannon, Coffee, Grundy, Rutherford, Warren | 64 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2011Every severe thunderstorm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.