Alert archive / Tennessee / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 23, NWS Morristown, TN
NWS Morristown, TN issued this severe thunderstorm warning at Apr 7, 2005, 5:47 PM EDT for Anderson County, Morgan County, Tennessee. It was in force for 32 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
- Apr 7, 2005, 5:47 PM EDT (21:47 UTC)
- Expired
- Apr 7, 2005, 6:19 PM EDT
- In force
- 32 min
- Issued by
- NWS Morristown, TN
- Area
- Counties, with a storm outline in the text
Counties Anderson County, TN, Morgan County, TN
The radar
The Knoxville radar (KMRX), 92 km from the middle of the area, began a volume at 21:50 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, 9.8 hours before the alert went out and 195 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
- 83 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 633 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 324 m²/s²
- 0-3 km storm-relative helicity
- 272 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 Apr 7, 3:26 PM EDT, 2 hours 21 minutes earlier.
Area forecast discussion, Apr 7, 3:26 PM EDT, 2 hours 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MORRISTOWN TN 326 PM EDT THU APR 7 2005 .SHORT TERM...(TONIGHT THROUGH FRIDAY)...CONVECTION SLOWLY SPREADING ACROSS AREA AS UPPER LOW HEADS THIS WAY. CELLS TRAINING AND CAUSING HEAVY RAINS AT THIS TIME. THINK GOOD COVERAGE OF RAINS WILL CONTINUE INTO THIS EVENING OVER WESTERN PARTS OF AREA...BUT AS SYSTEM WORKS TO EAST ORGANIZATION AND OVERALL IMPACT WILL LIKELY GET BROKEN UP AS IT PASSES OVER MOUNTAINS...THINKING SOME DEGREE OF RAIN SHADOW EFFECT ON OUR SIDE OF SMOKIES. ALSO LOWER LEVEL MOISTURE TRANSPORT AND WIND SHEAR IS FORECAST TO SLOWLY DIMINISH AS WELL. SO THINKING THAT OVERALL...THE MAIN IMPACTS WILL BE MORE NUMEROUS BEFORE SUNSET. NOT PLANNING ANY FLASH FLOOD WATCH FOR TONIGHT. HAVE MENTIONED THUNDER IN FIRST PERIOD...BUT MAINLY EXPECTING SHOWERS FOR FRIDAY. ALSO...AS SYSTEM EXITS AREA...HAVE LOWERED POPS FOR FRIDAY AFTERNOON. HAVE RAISED DEW POINT TEMPS ABOUT 2-3 DEGREES OVERALL THROUGHOUT PERIOD...BUT MADE ONLY A FEW VERY MINOR CHANGES TO TEMP GRIDS. .LONG TERM...(FRIDAY NIGHT THROUGH THURSDAY)...UPPER LOW FINALLY DEPARTING AREA ON FRIDAY NIGHT...MAY SEE LINGERING SCATTERED SHOWERS INTO FRIDAY EVENING. RIDGE BUILDS IN FOR THE WEEKEND...DRY WEATHER EXPECTED SATURDAY THROUGH MONDAY. GFS INDICATING A WARM FRONT PUSHING INTO AREA MONDAY NIGHT. WILL DELAY PRECIP UNTIL TUESDAY WHEN DEEPER MOISTURE ARRIVES...WILL GO WITH CHANCE POPS FOR TUESDAY. FRONT STALLS ACROSS AREA ON WEDNESDAY FOLLOWED BY AN UPPER LOW...WILL KEEP CHANCE POPS GOING ON WEDNESDAY AND THURSDAY. && .PRELIMINARY POINT TEMPS/POPS... CHATTANOOGA AIRPORT, TN 55 70 50 73 / 80 50 10 10 KNOXVILLE MCGHEE TYSON AIRPORT, TN 54 66 49 71 / 80 60 20 10 OAK RIDGE, TN 55 66 48 71 / 80 60 10 10 TRI CITIES AIRPORT, TN 52 65 45 67 / 80 70 30 10 && .MRX WATCHES/WARNINGS/ADVISORIES... NC......NONE. TN......NONE. VA......NONE. && GM/GH
Hazardous weather outlook, Apr 7, 7:30 AM EDT, 10 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 730 AM EDT THU APR 7 2005 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-005- 006-008-081000- ANDERSON-BLEDSOE-BLOUNT SMOKY MTN-BRADLEY-CAMPBELL-CHEROKEE- CLAIBORNE-CLAY-COCKE SMOKY MTN-EAST POLK-GRAINGER-HAMBLEN-HAMILTON- HANCOCK-HAWKINS-JEFFERSON-JOHNSON-KNOX-LEE-LOUDON-MARION-MCMINN- MEIGS-MORGAN-NORTH SEVIER-NORTHWEST CARTER-NORTHWEST COCKE- NORTHWEST GREENE-NORTHWEST MONROE-NW BLOUNT-RHEA-ROANE-RUSSELL- SCOTT TN-SCOTT VA-SEQUATCHIE-SEVIER SMOKY MTN-SOUTHEAST CARTER- SOUTHEAST GREENE-SOUTHEAST MONROE-SULLIVAN-UNICOI-UNION- WASHINGTON TN-WASHINGTON VA-WEST POLK-WISE- 730 AM EDT (630 PM CDT) WED APR 6 2005 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST TENNESSEE...SOUTHWEST VIRGINIA AND EXTREME SOUTHWEST NORTH CAROLINA. .DAY ONE (TODAY AND TONIGHT)... A LOW PRESSURE SYSTEM WILL SLOWLY MOVES EAST SOUTHEAST TO NORTH GEORGIA BY FRIDAY MORNING. A SERIES OF CONVECTIVE BANDS WILL MOVE ACROSS THE REGION. SOME OF THESE SHOWERS MAY BE HEAVY AT TIMES. SMALL HAIL IS POSSIBLE WITH A FEW THUNDERSTORMS. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN (FRIDAY THROUGH WEDNESDAY)... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. PLEASE STAY TUNED TO NOAA WEATHER RADIO OR VISIT OUR WEBSITE AT WWW.SRH.NOAA.GOV/MRX.
In the hours before
Local storm report, Apr 7, 4:39 PM EDT, 1 hour 8 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 |
|---|---|---|---|---|
| Apr 7, 2:51 PM EDT | Flash Flood Warning | MRX | Bledsoe, Bradley, Hamilton, Marion, Meigs, Rhea and 1 more | 4 hr |
| Apr 7, 4:25 PM EDT | Severe Thunderstorm Warning | MRX | Morgan | 38 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2005Every severe thunderstorm warning in 2005
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.