Alert archive / North Carolina / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 129, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Jul 8, 2014, 5:30 PM EDT for Cherokee County, Clay County, North Carolina. It was in force for 60 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, 5:30 PM EDT (21:30 UTC)
- Expired
- Jul 8, 2014, 6:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Cherokee County, NC, Clay County, NC
The radar
The Knoxville radar (KMRX), 128 km from the middle of the area, began a volume at 21:33 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, 9.5 hours before the alert went out and 269 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, 2:55 PM EDT, 2 hours 35 minutes earlier.
Area forecast discussion, Jul 8, 2:55 PM EDT, 2 hours 35 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 255 PM EDT TUE JUL 8 2014 .SHORT TERM (TONIGHT AND WEDNESDAY)...FRONTAL SYSTEM STILL SAGGING SOUTHWARD TOWARD THE AREA...AND DEEPER MOISTURE AND INSTABILITY MOVING IN AS WELL. LOOKING LIKE A FAIRLY WET NEXT COUPLE OF PERIODS AS THE AXIS OF THIS SYSTEM MAKE ITS WAY INTO THE AREA. ALTHOUGH MENTIONED "WET" ABOVE...FLOODING THREAT NOT LOOKING THAT GREAT AS PROGRESSIVE INITIAL PARTS OF SYSTEM WILL SWEEP THROUGH...THEN AS FRONT SAGS INTO AREA RICHER MOISTURE WILL BE SOUTH OR EAST OF THE AREA. SO A COUPLE OF CHANCES FOR PRECIP...THIS AFTERNOON AND THIS EVENING WITH ADVANCING STRONG STORMS THAT MARCH ACROSS TO THE EAST...THEN ALSO ANOTHER CHANCE TONIGHT AND WEDNESDAY AS THE MAIN AXIS OF THE SYSTEM MOVE THROUGH THE AREA FROM THE NORTH/NORTHWEST. DEEP CONVECTION STRUGGLING FINALLY GETTING STARTED. MLCAPE VALUES GETTING PRETTY HIGH...SO STILL THINK SEVERE THREAT EXISTS. ALSO WONDERING ABOUT HOW STRONG ANY STORMS THAT DEVELOP CLOSER TO THE FRONT MIGHT BE IF THEY MAKE THEIR WAY CLOSER TONIGHT...THINKING THE STORMS THIS AFTERNOON ARE OUR BEST CHANCE FOR SEVERE OVERALL. FOR TEMPERATURES KEEPING PRETTY CLOSE TO GUIDANCE FOR MINS TONIGHT AND ON THE COOL SIDE OF MAXES FOR WEDNESDAY...CONSIDERING THE LIMITED SUNSHINE...ESPECIALLY SOUTH. .LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY)...MODELS CONTINUE TO BE IN FAIR AGREEMENT OVERALL WITH DECENT RUN TO RUN CONSISTENCY. HOWEVER...GIVEN UNCERTAINTIES IN MODEL HANDLING OF POSSIBLE WEAK IMPULSES IN THE NORTHWEST FLOW ALOFT FORECAST CONFIDENCE IS AT BEST AVERAGE FOR THIS TIME OF YEAR. THE FRONT SHOULD FINALLY EXIT THE AREA EARLY THURSDAY...BUT A WEAK IMPULSE STILL COULD HELP TO TRIGGER SOME ISOLATED TO SCATTERED CONVECTION INTO THURSDAY AFTERNOON. DRIER AIR SHOULD KEEP THINGS PRECIP FREE THURSDAY NIGHT THROUGH FRIDAY NIGHT...THEN MOISTURE WILL BEGIN TO INCREASE AGAIN DURING THE WEEKEND. WILL CARRY SLIGHT CHANCE POPS SATURDAY AND CHANCE POPS SUNDAY. ANOTHER FRONTAL SYSTEM IS FORECAST TO AFFECT THE AREA EARLY IN THE WEEK...SO CHANCE POPS BOTH MONDAY AND TUESDAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 71 86 68 89 / 60 60 30 30 KNOXVILLE MCGHEE TYSON AIRPORT, TN 71 83 66 87 / 60 50 20 20 OAK RIDGE, TN 70 84 65 88 / 70 30 20 20 TRI CITIES AIRPORT, TN 68 82 61 85 / 60 30 20 20 && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && GM/LW
Hazardous weather outlook, Jul 8, 11:34 AM EDT, 5 hours 56 minutes 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.
In the hours before
Local storm report, Jul 8, 5:07 PM EDT, 23 minutes before
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</html>Local storm report, Jul 8, 5:18 PM EDT, 12 minutes before
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</html>The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 8, 2:34 PM EDT | Severe Thunderstorm Warning | MRX | Anderson, Knox | 56 min |
| 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, 6:28 PM EDT | Severe Thunderstorm Warning | MRX | Cherokee, Clay | 47 min |
Nearby
Severe Thunderstorm Warnings in North Carolina, 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.