Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 196, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Oct 25, 2010, 2:53 AM EDT for 5 counties in Tennessee. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 25, 2010, 2:53 AM EDT (06:53 UTC)
- Expired
- Oct 25, 2010, 3:15 AM EDT
- In force
- 22 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Bradley County, TN, Hamilton County, TN, McMinn County, TN, Meigs County, TN, Polk County, TN
The radar
The Northeast Alabama radar (KHTX), 123 km from the middle of the area, began a volume at 06:54 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 00:00Z, 6.9 hours before the alert went out and 188 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
- 3 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 1945 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 182 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Morristown, TN wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 25, 1:15 AM EDT, 1 hour 38 minutes earlier.
Area forecast discussion, Oct 25, 1:15 AM EDT, 1 hour 38 minutes before
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Special weather statement, Oct 25, 2:21 AM EDT, 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MORRISTOWN TN 221 AM EDT MON OCT 25 2010 TNZ081-098-099-250700- HAMILTON TN-MARION TN-SEQUATCHIE TN- 121 AM CDT MON OCT 25 2010 ...SIGNIFICANT WEATHER ADVISORY FOR MARION...HAMILTON AND SEQUATCHIE COUNTIES UNTIL 200 AM CDT/300 AM EDT/... AT 112 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 6 MILES WEST OF DUNLAP TO 14 MILES SOUTHWEST OF BRIDGEPORT...AND MOVING NORTHEAST AT 45 MPH. SMALL HAIL AND WIND GUSTS UP TO 40 MPH ARE EXPECTED WITH THESE STORMS. LOCATIONS NEAR THE PATH OF THESE STORMS INCLUDE...CHATTANOOGA... SIGNAL MOUNTAIN...SODDY-DAISY...HARRISON...POWELLS CROSSROADS... HALETOWN (GUILD)...LONE OAK...SALE CREEK...RED BANK...MIDDLE VALLEY...SHADY GROVE...BIRCHWOOD...EAST BRAINERD...OOLTEWAH AND COLLEGEDALE. 17
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 25, 5:32 AM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, Marion | 43 min |
| Oct 25, 5:38 AM EDT | Tornado Warning | MRX | Bradley, Hamilton | 52 min |
| Oct 25, 6:18 AM EDT | Areal Flood Advisory | MRX | Bledsoe, Hamilton, Marion, Meigs, Rhea, Roane and 1 more | 3 hr |
| Oct 25, 6:21 AM EDT | Severe Thunderstorm Warning | MRX | Bradley, McMinn, Meigs, Monroe, Polk | 24 min |
| Oct 25, 7:31 AM EDT | Areal Flood Advisory | MRX | Anderson, Blount, Bradley, Jefferson, Knox, Loudon and 5 more | 3 hr |
| Oct 25, 8:20 AM EDT | Areal Flood Advisory | MRX | Carter, Claiborne, Cocke, Grainger, Greene, Hamblen and 7 more | 3 hr |
| Oct 25, 8:27 AM EDT | Severe Thunderstorm Warning | MRX | Carter, Unicoi | 48 min |
| Oct 25, 8:42 AM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Sullivan, Unicoi, Washington | 48 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2010Every severe thunderstorm warning in 2010
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.