Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 87, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at Mar 23, 2012, 10:37 PM CDT for 4 counties in Tennessee. It was in force for 23 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
- Mar 23, 2012, 10:37 PM CDT (03:37 UTC)
- Expired
- Mar 23, 2012, 11:00 PM CDT
- In force
- 23 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
Counties Fentress County, TN, Overton County, TN, Pickett County, TN, Putnam County, TN
The radar
The Nashville radar (KOHX), 125 km from the middle of the area, began a volume at 03:41 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 |
|---|---|---|---|
| Mar 23, 10:41 PM CDT | HAIL 1.75 | 5 Nw Monterey, TN |
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, 3.6 hours before the alert went out and 131 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
- 26 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 2498 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 71 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
863 WUUS54 KOHX 240337 SVROHX TNC049-133-137-141-240400- /O.NEW.KOHX.SV.W.0087.120324T0337Z-120324T0400Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 1037 PM CDT FRI MAR 23 2012 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHEASTERN OVERTON COUNTY IN MIDDLE TENNESSEE... SOUTH CENTRAL PICKETT COUNTY IN MIDDLE TENNESSEE... NORTHEASTERN PUTNAM COUNTY IN MIDDLE TENNESSEE... FENTRESS COUNTY IN MIDDLE TENNESSEE... * UNTIL 1100 PM CDT * AT 1035 PM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING ONE INCH DIAMETER HAIL. THE STORM WAS NEAR MONTEREY...MOVING NORTHEAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... RURAL EASTERN OVERTON COUNTY... 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 3655 8518 3643 8473 3608 8531 3621 8546 TIME...MOT...LOC 0337Z 228DEG 31KT 3623 8527 $$ FORECASTER:13
1 follow-up statement
895 WWUS54 KOHX 240351 SVSOHX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 1051 PM CDT FRI MAR 23 2012 TNC049-133-137-141-240400- /O.CON.KOHX.SV.W.0087.000000T0000Z-120324T0400Z/ OVERTON TN-PICKETT TN-PUTNAM TN-FENTRESS TN- 1051 PM CDT FRI MAR 23 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR FENTRESS... NORTHEASTERN PUTNAM...SOUTH CENTRAL PICKETT AND SOUTHEASTERN OVERTON COUNTIES UNTIL 1100 PM CDT... AT 1046 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 10 MILES SOUTHEAST OF LIVINGSTON...MOVING NORTHEAST AT 40 MPH. IN ADDITION...GOLFBALL SIZE HAIL WAS REPORTED NEAR MONTEREY WITH THIS STORM. LOCATIONS IMPACTED INCLUDE... JAMESTOWN AND ALLARDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING AND AWAY FROM WINDOWS. && LAT...LON 3655 8518 3643 8473 3608 8531 3621 8546 TIME...MOT...LOC 0351Z 228DEG 31KT 3631 8516 $$ 13
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 7:50 PM CDT | Special Weather Statement | OHX | Davidson, Sumner, Trousdale | 55 min |
| Mar 23, 8:30 PM CDT | Special Weather Statement | OHX | Clay | 30 min |
| Mar 23, 9:22 PM CDT | Special Weather Statement | OHX | Van Buren, Warren | 53 min |
| Mar 23, 10:06 PM CDT | Special Weather Statement | OHX | Cumberland, Overton, Putnam, White | 24 min |
| Mar 23, 11:15 PM CDT | Special Weather Statement | OHX | Van Buren | 30 min |
| Mar 23, 11:18 PM CDT | Severe Thunderstorm Warning | OHX | Cumberland, Van Buren, White | 27 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2012Every severe thunderstorm warning in 2012
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.