Alert archive / Virginia / Severe Thunderstorm Warnings in 2013
Severe Thunderstorm Warning 50, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at May 22, 2013, 2:39 PM EDT for Sullivan County, Tennessee; Washington County, City of Bristol, Virginia. It was in force for 66 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
- May 22, 2013, 2:39 PM EDT (18:39 UTC)
- Expired
- May 22, 2013, 3:45 PM EDT
- In force
- 66 min
- Issued by
- NWS Morristown, TN
- Area
- Storm-based polygon
Counties Sullivan County, TN, City of Bristol, VA, Washington County, VA
The radar
The Knoxville radar (KMRX), 122 km from the middle of the area, began a volume at 18:41 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
Greensboro/Hi Pt, NC (KGSO), launched 12:00Z, 6.7 hours before the alert went out and 210 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
- 224 J/kg
- Mixed-layer CIN
- -122 J/kg
- Mixed-layer LCL
- 644 m above ground
- 0-6 km bulk shear
- 2 kt
- 0-1 km storm-relative helicity
- -12 m²/s²
- 0-3 km storm-relative helicity
- 42 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 May 22, 1:35 PM EDT, 1 hour 4 minutes earlier.
Area forecast discussion, May 22, 1:35 PM EDT, 1 hour 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 135 PM EDT WED MAY 22 2013 .AVIATION... CURRENT SURFACE ANALYSIS SHOWS A WEAK COLD FRONT OVER THE MS RIVER VALLEY...WITH AN OUTFLOW BOUNDARY OVER THE FORECAST AREA FROM LAST NIGHT'S CONVECTION OVER MIDDLE TN. A MODERATELY UNSTABLE AIR MASS IS PROGGED TO DEVELOP THIS AFTERNOON AS AN UPPER-LEVEL TROUGH SWINGS EASTWARD ACROSS THE TN RIVER VALLEY. AS A RESULT...SCATTERED CONVECTION WILL CONTINUE TO DEVELOP THIS AFTERNOON...BUT TIMING THE EXACT OCCURRENCE AT THE TAF SITES WILL REMAIN PROBLEMATIC. THUS... WILL JUST MENTION VCTS AT THE TAF SITES UNTIL EARLY EVENING. FOG SHOULD DEVELOP AGAIN LATE TONIGHT...ESPECIALLY IN AREAS THAT RECEIVE RAIN THIS AFTERNOON AND EVENING...BUT WILL ONLY MENTION MVFR VISIBILITIES AT KTRI SINCE CLOUDS MAY LIMIT THE EXTENT OF THIS FOG. WINDS SHOULD INCREASE AFTER SUNRISE ON THURSDAY...AS A COLD FRONT APPROACHES THE TAF SITES. && .MRX WATCHES/WARNINGS/ADVISORIES... NC...NONE. TN...NONE. VA...NONE. && DMG
Hazardous weather outlook, May 22, 10:10 AM EDT, 4 hours 29 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE MORRISTOWN TN 1010 AM EDT WED MAY 22 2013 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-231000- 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- 1010 AM EDT (910 AM CDT) WED MAY 22 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA...AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE...TODAY AND TONIGHT... AN UPPER-LEVEL DISTURBANCE WILL GENERATE SCATTERED SHOWERS AND THUNDERSTORMS OVER THE SOUTHERN APPALACHIAN REGION TODAY AND TONIGHT. SOME STORMS MAY BECOME SEVERE THIS AFTERNOON AND EVENING... BRINGING THE POSSIBILITY OF DAMAGING WINDS...LARGE HAIL...AND LOCALLY HEAVY RAINFALL. IN ADDITION...AN ISOLATED TORNADO OR TWO WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... SCATTERED SHOWERS AND THUNDERSTORMS WILL REDEVELOP ACROSS THE REGION ON THURSDAY AFTERNOON AND EVENING. SOME OF THESE STORMS MAY BECOME STRONG...PRODUCING STRONG GUSTY WINDS AND SMALL HAIL. OTHERWISE...NO HAZARDOUS WEATHER IS ANTICIPATED THIS WEEKEND INTO EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING. DMG
In the hours before
Local storm report, May 22, 11:55 AM EDT, 2 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE MORRISTOWN TN
1155 AM EDT WED MAY 22 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0430 PM TSTM WND DMG BIG SOUTH FORK NATIONAL 36.52N 84.67W
05/21/2013 SCOTT TN 911 CALL CENTER
FEW TREES DOWN
0435 PM TSTM WND DMG 6 SW HUNTSVILLE 36.35N 84.56W
05/21/2013 SCOTT TN 911 CALL CENTER
FEW TREES DOWN IN ROBBINS
0600 PM TSTM WND DMG HAPPY VALLEY 35.61N 83.96W
05/21/2013 BLOUNT TN 911 CALL CENTER
TREES AND POWERLINES DOWNED IN HAPPY VALLEY. REPORTED BY
DISPATCH.
0600 PM TSTM WND DMG GREENEVILLE 36.17N 82.82W
05/21/2013 GREENE TN 911 CALL CENTER
TREES DOWN COUNTYWIDE
0630 PM TSTM WND DMG SEVIERVILLE 35.89N 83.58W
05/21/2013 SEVIER TN DEPT OF HIGHWAYS
FEW TREES DOWN ACROSS THE COUNTY.
0630 PM TSTM WND DMG MARYVILLE 35.75N 83.97W
05/21/2013 BLOUNT TN 911 CALL CENTER
COUPLE TREES DOWN.
0630 PM TSTM WND DMG DANDRIDGE 36.02N 83.42W
05/21/2013 JEFFERSON TN 911 CALL CENTER
MANY TREES DOWNED COUNTY-WIDE MAINLY NEAR DANDRIDGE.
0715 PM TSTM WND DMG MORRISTOWN 36.21N 83.30W
05/21/2013 HAMBLEN TN 911 CALL CENTER
12 TREES DOWN ACROSS THE COUNTY.
0730 PM TSTM WND DMG JEFFERSON CITY 36.12N 83.49W
05/21/2013 JEFFERSON TN NWS EMPLOYEE
FEW TREES DOWN NEAR EAST DUMPLIN VALLEY RD.
0800 PM FLASH FLOOD 3 SE SEVIERVILLE 35.86N 83.54W
05/21/2013 SEVIER TN PUBLIC
EARNEST MCMAHON RD AT PULLEN ROAD IS FLOODED.
0824 PM TSTM WND DMG GREENEVILLE 36.17N 82.82W
05/21/2013 GREENE TN 911 CALL CENTER
TREES DOWN COUNTYWIDE
0825 PM HAIL BLUFF CITY 36.46N 82.27W
05/21/2013 E1.00 INCH SULLIVAN TN TRAINED SPOTTER
SPOTTER REPORTED QUARTER-SIZE HAIL IN BLUFF CITY.
0830 PM FLASH FLOOD 3 ESE KODAK 35.96N 83.58W
05/21/2013 SEVIER TN PUBLIC
STRANDED CARS NEAR SOUTH END OF DOUGLAS LAKE ON BLACK OAK
RIDGE ROAD.
0840 PM HAIL BLUFF CITY 36.46N 82.27W
05/21/2013 E1.00 INCH SULLIVAN TN 911 CALL CENTER
0845 PM TSTM WND DMG BLOUNTVILLE 36.53N 82.33W
05/21/2013 SULLIVAN TN 911 CALL CENTER
TREES DOWN COUNTYWIDE
0845 PM TSTM WND DMG JONESBOROUGH 36.29N 82.48W
05/21/2013 WASHINGTON TN 911 CALL CENTER
MANY TREES DOWNED COUNTY-WIDE
0850 PM FLASH FLOOD HAMPTON 36.28N 82.17W
05/21/2013 CARTER TN EMERGENCY MNGR
ROADS WASHED OUT IN HAMPTON. REPORTED BY THE EMA.
0100 AM FLASH FLOOD DAMASCUS 36.63N 81.79W
05/22/2013 WASHINGTON VA 911 CALL CENTER
RESCUE VEHICLE STARNDED ON RUSH CREEK RD.
&&The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 21, 8:01 PM EDT | Severe Thunderstorm Warning | MRX | Carter, Sullivan, Unicoi, Washington | 59 min |
| May 21, 8:11 PM EDT | Areal Flood Advisory | MRX | Carter | 3 hr |
| May 21, 8:38 PM EDT | Flash Flood Warning | MRX | Carter, Unicoi, Washington | 4 hr |
| May 22, 2:44 PM EDT | Severe Thunderstorm Warning | MRX | Meigs, Rhea, Roane | 46 min |
| May 22, 2:59 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Washington | 61 min |
| May 22, 3:30 PM EDT | Areal Flood Advisory | MRX | Carter, Greene, Johnson, Sullivan, Unicoi, Washington | 3 hr |
| May 22, 3:54 PM EDT | Severe Thunderstorm Warning | MRX | Cocke | 51 min |
| May 22, 3:58 PM EDT | Severe Thunderstorm Warning | MRX | Greene | 62 min |
| May 22, 4:32 PM EDT | Severe Thunderstorm Warning | MRX | Greene, Hawkins, Sullivan, Washington | 43 min |
| May 22, 5:01 PM EDT | Severe Thunderstorm Warning | MRX | Bradley, Hamilton, Meigs, Rhea | 59 min |
| May 22, 5:17 PM EDT | Areal Flood Advisory | MRX | Sullivan | 3 hr |
| May 22, 6:39 PM EDT | Severe Thunderstorm Warning | MRX | Johnson | 36 min |
| May 22, 6:55 PM EDT | Severe Thunderstorm Warning | MRX | Cocke, Jefferson, Sevier | 50 min |
| May 22, 7:14 PM EDT | Areal Flood Advisory | MRX | Jefferson, Sevier | 3 hr |
| May 21, 9:08 PM EDT | Severe Thunderstorm Warning | MRX | Washington, City of Bristol | 37 min |
| May 21, 9:51 PM EDT | Areal Flood Advisory | MRX | Washington | 3 hr |
| May 22, 12:26 AM EDT | Flash Flood Warning | MRX | Washington | 109 min |
| May 22, 3:13 PM EDT | Severe Thunderstorm Warning | MRX | Washington | 62 min |
| May 22, 5:08 PM EDT | Severe Thunderstorm Warning | MRX | Russell, Scott, Wise | 52 min |
Nearby
Severe Thunderstorm Warnings in Virginia, 2013Severe Thunderstorm Warnings in Tennessee, 2013Every severe thunderstorm warning in 2013
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.