Alert archive / Tennessee / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 195, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Nov 25, 2001, 12:32 AM EST for Bradley County, Tennessee. It was in force for 13 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 25, 2001, 12:32 AM EST (05:32 UTC)
- Expired
- Nov 25, 2001, 12:45 AM EST
- In force
- 13 min
- Issued by
- NWS Morristown, TN
- Area
- Whole counties
County Bradley County, TN
The radar
The Northeast Alabama radar (KHTX), 114 km from the middle of the area, began a volume at 05:34 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 |
|---|---|---|---|
| Nov 25, 12:40 AM EST | Thunderstorm Wind | Countywide, TN | Trees down. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 5.5 hours before the alert went out and 191 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
- 335 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 634 m above ground
- 0-6 km bulk shear
- 77 kt
- 0-1 km storm-relative helicity
- 312 m²/s²
- 0-3 km storm-relative helicity
- 335 m²/s²
- Significant tornado parameter
- 0.7
- Supercell composite
- 3.2
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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 Nov 24, 8:54 PM EST, 3 hours 38 minutes earlier.
Area forecast discussion, Nov 24, 8:54 PM EST, 3 hours 38 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 340 PM EST SAT NOV 24 2001 24/18Z AVN MODEL LOOKS BEST FOR THE LATEST MODEL GUIDANCE...AS QPF PICKS UP IN CENTRAL KENTUCKY AND...TO THE SOUTH...QPF INCREASES WHERE MORE UNSTABLE CONDITIONS EXIST - ALONG THE SOUTHERN CUMBERLAND PLATEAU AND SOUTHERN TENNESSEE VALLEY (ATTM...NEARLY CORRELATED WITH KHTX 88D 0.5 DEGREE SHEAR AXIS). THESE QPF FIELDS WORK TOWARDS EACH OTHER AS THEY MOVE EAST. SO...WILL KEEP CATEGORICAL POP/S GOING TONIGHT ACROSS THE FORECAST AREA. THERE MAY BE A FEW STRONG STORMS IN THE SOUTH LATE THIS EVENING. WINDS ARE BELOW WIND ADVISORY ATTM...BUT THERE SHOULD BE SOME PRE- FRONTAL ACCELERATION LATER ON...AND WILL KEEP WIND ADVISORY GOING FOR THE HIGHER ELEVATIONS. OVERNIGHT LOWS LOOK ON TRACK...WITH SOME DRIER AIR GETTING INTO THE SOUTHERN HALF OF THE FORECAST AREA BEHIND THE FRONTAL BOUNDARY TOWARD DAYBREAK. .MRX... NC...WIND ADVISORY FOR SATURDAY NIGHT FOR ZONES NCZ060>061. TN...WIND ADVISORY FOR SATURDAY NIGHT FOR ZONES TNZ018...TNZ041... TNZ043...TNZ045...TNZ047...TNZ072...TNZ074...TNZ087...TNZ102. VA...WIND ADVISORY FOR SATURDAY NIGHT FOR ZONES VAZ001>002. DM
Nearby
Severe Thunderstorm Warnings in Tennessee, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.