Alert archive / Tennessee / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 123, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jul 8, 2014, 2:34 PM EDT for Anderson County, Knox County, Tennessee. It was in force for 56 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
- Jul 8, 2014, 2:34 PM EDT (18:34 UTC)
- Expired
- Jul 8, 2014, 3:30 PM EDT
- In force
- 56 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Anderson County, TN, Knox County, TN
The radar
The Knoxville radar (KMRX), 61 km from the middle of the area, began a volume at 18:37 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, 6.6 hours before the alert went out and 228 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
- 582 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1160 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -55 m²/s²
- 0-3 km storm-relative helicity
- -14 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 Jul 8, 1:39 PM EDT, 55 minutes earlier.
Area forecast discussion, Jul 8, 1:39 PM EDT, 55 minutes before
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</html>Hazardous weather outlook, Jul 8, 11:34 AM EDT, 3 hours before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 1134 AM EDT TUE JUL 8 2014 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-091545- CHEROKEE-CLAY-SCOTT TN-CAMPBELL-CLAIBORNE-HANCOCK-HAWKINS- SULLIVAN-JOHNSON-MORGAN-ANDERSON-UNION-GRAINGER-HAMBLEN- NORTHWEST COCKE-COCKE SMOKY MOUNTAINS-NORTHWEST GREENE- SOUTHEAST GREENE-WASHINGTON TN-UNICOI-NORTHWEST CARTER- SOUTHEAST CARTER-ROANE-LOUDON-KNOX-JEFFERSON-NW BLOUNT- BLOUNT SMOKY MOUNTAINS-NORTH SEVIER-SEVIER SMOKY MOUNTAINS- SEQUATCHIE-BLEDSOE-RHEA-MEIGS-MCMINN-NORTHWEST MONROE- SOUTHEAST MONROE-MARION-HAMILTON-BRADLEY-WEST POLK-EAST POLK-LEE- WISE-SCOTT-RUSSELL-WASHINGTON- 1134 AM EDT TUE JUL 8 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...THIS AFTERNOON AND TONIGHT... SCATTERED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING...AHEAD OF A SLOW MOVING COLD FRONT. STORMS ARE EXPECTED TO MOVE ACROSS THE AREA WEST TO EAST. DAMAGING WINDS OF 60 MPH OR GREATER AND LARGE HAIL WILL BE THE MAIN THREATS WITH THE STRONGEST STORMS. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 4:02 PM EDT | Special Weather Statement | MRX | Cocke, Jefferson | 58 min |
| Jul 8, 4:16 PM EDT | Special Weather Statement | MRX | Greene, Sullivan, Unicoi, Washington | 59 min |
| Jul 8, 4:25 PM EDT | Special Weather Statement | MRX | Blount, Knox, Loudon | 65 min |
| Jul 8, 4:30 PM EDT | Special Weather Statement | MRX | Bradley, Hamilton | 60 min |
| Jul 8, 4:33 PM EDT | Severe Thunderstorm Warning | MRX | Sevier | 57 min |
| Jul 8, 4:38 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Greene, Unicoi, Washington | 67 min |
| Jul 8, 4:42 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Johnson, Sullivan | 63 min |
| Jul 8, 4:48 PM EDT | Special Weather Statement | MRX | McMinn, Monroe | 42 min |
| Jul 8, 4:58 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, McMinn, Monroe, Polk | 62 min |
| Jul 8, 5:11 PM EDT | Severe Thunderstorm Warning | MRX | Blount, Sevier | 49 min |
| Jul 8, 5:59 PM EDT | Severe Thunderstorm Warning | MRX | Monroe, Polk | 34 min |
| Jul 8, 7:15 PM EDT | Special Weather Statement | MRX | Sequatchie | 45 min |
| Jul 8, 5:30 PM EDT | Severe Thunderstorm Warning | MRX | Cherokee, Clay | 60 min |
| Jul 8, 6:28 PM EDT | Severe Thunderstorm Warning | MRX | Cherokee, Clay | 47 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2014Every severe thunderstorm warning in 2014
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.