Alert archive / Tennessee / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 162, NWS Nashville, TN
NWS Nashville, TN issued this severe thunderstorm warning at May 20, 2012, 2:32 PM CDT for Smith County, Tennessee. It was in force for 21 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
- May 20, 2012, 2:32 PM CDT (19:32 UTC)
- Expired
- May 20, 2012, 2:53 PM CDT
- In force
- 21 min
- Issued by
- NWS Nashville, TN
- Area
- Storm-based polygon
County Smith County, TN
The radar
The Nashville radar (KOHX), 56 km from the middle of the area, began a volume at 19:33 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.5 hours before the alert went out and 60 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
- 859 J/kg
- Mixed-layer CIN
- -87 J/kg
- Mixed-layer LCL
- 1235 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
442 WUUS54 KOHX 201932 SVROHX TNC159-202015- /O.NEW.KOHX.SV.W.0162.120520T1932Z-120520T2015Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE NASHVILLE TN 232 PM CDT SUN MAY 20 2012 THE NATIONAL WEATHER SERVICE IN NASHVILLE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CENTRAL SMITH COUNTY IN MIDDLE TENNESSEE... * UNTIL 315 PM CDT * AT 228 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 NEAR CARTHAGE...MOVING SOUTHWEST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... CARTHAGE... GORDONSVILLE... 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 3613 8593 3623 8606 3633 8591 3629 8586 TIME...MOT...LOC 1933Z 040DEG 10KT 3627 8591 $$ 21
1 follow-up statement
028 WWUS54 KOHX 201953 SVSOHX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE NASHVILLE TN 253 PM CDT SUN MAY 20 2012 TNC159-202004- /O.CAN.KOHX.SV.W.0162.000000T0000Z-120520T2015Z/ SMITH TN- 253 PM CDT SUN MAY 20 2012 ...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL SMITH COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. LAT...LON 3613 8593 3623 8606 3633 8591 3629 8586 TIME...MOT...LOC 1954Z 040DEG 10KT 3623 8596 $$ 21
The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 19, 7:18 PM CDT | Special Weather Statement | OHX | Giles, Lewis, Maury | 42 min |
| May 20, 1:55 PM CDT | Special Weather Statement | OHX | Smith | 65 min |
| May 20, 2:06 PM CDT | Severe Thunderstorm Warning | OHX | Jackson, Putnam, Smith | 39 min |
| May 20, 2:12 PM CDT | Special Weather Statement | OHX | Van Buren | 48 min |
| May 20, 4:06 PM CDT | Special Weather Statement | OHX | Trousdale | 39 min |
| May 20, 4:30 PM CDT | Special Weather Statement | OHX | Coffee, Grundy | 60 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.