Alert archive / Tennessee / Flash Flood Watches in 2016
Flash Flood Watch 1, NWS Morristown, TN
NWS Morristown, TN issued this flash flood watch at Feb 23, 2016, 3:31 AM EST for 4 counties in Tennessee; Cherokee County, Clay County, North Carolina. It took effect at Feb 23, 2016, 6:00 PM EST. It was in force for 17 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2016, 3:31 AM EST (08:31 UTC)
- In effect from
- Feb 23, 2016, 6:00 PM EST
- Expired
- Feb 24, 2016, 10:57 AM EST
- In force
- 17 hr
- Issued by
- NWS Morristown, TN
- Flood severity
- None
Counties Cherokee County, NC, Clay County, NC, Bradley County, TN, Hamilton County, TN, Marion County, TN, Polk County, TN
The radar
The Northeast Alabama radar (KHTX), 131 km from the middle of the area, began a volume at 08:33 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
Birmingham, AL (KBMX), launched 00:00Z, 8.5 hours before the alert went out and 291 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
- 52 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 152 m²/s²
- 0-3 km storm-relative helicity
- 172 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Feb 23, 3:28 AM EST, 3 minutes earlier.
Area forecast discussion, Feb 23, 3:28 AM EST, 3 minutes before
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</html>Hazardous weather outlook, Feb 22, 3:00 PM EST, 12 hours 31 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE MORRISTOWN TN 300 PM EST MON FEB 22 2016 NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002- 005-006-008-232000- 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- 300 PM EST MON FEB 22 2016 /200 PM CST MON FEB 22 2016/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA. .DAY ONE...TONIGHT AND TUESDAY... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY NIGHT THROUGH MONDAY... ...STRONG AND GUSTY WINDS FOR MOUNTAINS AND ADJACENT FOOTHILLS FOR TUESDAY NIGHT AND WEDNESDAY MORNING... ...SHOWERS AND THUNDERSTORMS WITH STRONG AND GUSTY WINDS EXPECTED WEDNESDAY... LATE TUESDAY NIGHT THROUGH WEDNESDAY STRONG AND GUSTY WINDS WILL BE MOVING INTO THE AREA...ESPECIALLY ACROSS THE SOUTHERN APPALACHIAN MOUNTAINS AND ADJACENT FOOTHILLS OF EAST TENNESSEE. SOUTHERLY WINDS OF 30 TO 50 MPH WITH GUSTS IN EXCESS OF 65 MPH ARE ANTICIPATED. ADDITIONALLY...SHOWERS AND THUNDERSTORMS ARE EXPECTED ACROSS SOUTHEAST TENNESSEE EARLY WEDNESDAY MORNING...THEN MOVE QUICKLY NORTHEAST ACROSS THE REST OF THE AREA DURING THE DAY. STRONG AND GUSTY WINDS...WITH LOCALIZED DAMAGING WINDS ARE EXPECTED. THERE IS A LOW CHANCE OF A TORNADO ACROSS SOUTHEAST TENNESSEE EARLY WEDNESDAY MORNING. BEST THE STRONG STORMS...HEAVY RAINFALL IS POSSIBLE WITH THE STRONGER STORMS WITH LOCALIZED FLOODING POSSIBLE ACROSS THE SOUTHERN PLATEAU..SOUTHEAST TENNESSEE AND SOUTHWEST NORTH CAROLINA. BY WEDNESDAY NIGHT...COLDER AIR WILL BE MOVING INTO THE REGION...CHANGING RAIN SHOWERS TO SNOW SHOWERS. THERE IS A CHANCE OF SOME SNOW ACCUMULATIONS MAINLY IN THE SOUTHERN APPALACHIAN MOUNTAINS AS WELL AS NORTHEAST TENNESSEE AND SOUTHWEST VIRGINIA LATE WEDNESDAY NIGHT THROUGH THURSDAY AND INTO THURSDAY NIGHT. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED.
The office that day
Everything else NWS Morristown, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 23, 3:38 PM EST | High Wind Warning | MRX | Blount, Carter, Cocke, Greene, Johnson, McMinn and 5 more | 21 hr |
| Feb 23, 3:38 PM EST | Wind Advisory | MRX | Anderson, Bledsoe, Blount, Bradley, Campbell, Carter and 27 more | 33 hr |
Nearby
Flash Flood Watches in Tennessee, 2016Flash Flood Watches in North Carolina, 2016Every flash flood watch in 2016
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.