Alert archive / Tennessee / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 77, NWS Morristown, TN

May 18, 2008Hancock County, Hawkins County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at May 18, 2008, 5:20 PM EDT for Hancock County, Hawkins County, Tennessee. It was in force for 55 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 18, 2008, 5:20 PM EDT (21:20 UTC)
Expired: May 18, 2008, 6:15 PM EDT
In force: 55 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Hancock County, TN, Hawkins County, TN

The radar

The Knoxville radar (KMRX), 45 km from the middle of the area, began a volume at 21:21 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.

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 18, 3:10 PM EDT, 2 hours 10 minutes earlier.

Area forecast discussion, May 18, 3:10 PM EDT, 2 hours 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
310 PM EDT SUN MAY 18 2008

.SHORT TERM (TONIGHT THROUGH TUESDAY NIGHT)...COLD FRONT WILL MOVE
S THROUGH MRX CWA THIS EVENING. SHOWERS AND ISOLD TSTMS WILL END
THIS EVENING. HIGH PRESSURE BUILDS IN QUICKLY. AIRMASS DRIES OUT
AND COOLS WITH WINDS DECREASING OVERNIGHT. TEMPS SHOULD COOL BELOW
AREA WATER TEMPS SO PATCHY FOG DEVELOPS MON MORNING. WARM FRONT
RETURNS TO THE W EDGE OF AREA EARLY MON NIGHT. WEAK LOW PRESSURE
MOVES EAST THROUGH NE TN/SW VA EARLY TUESDAY MORNING. PROBABILITY OF
PCPN ON THE INCREASE WITH THIS SYSTEM INTO TUE AFTN. ANOTHER COOL
NIGHT SETTING UP FOR TUE NGT WITH NW FLOW.

.LONG TERM (WEDNESDAY THROUGH SUNDAY)...LATEST MODELS INDICATING
MOISTURE LINGERING INTO EARLY WEDNESDAY AHEAD OF A SHORTWAVE...BUT
WILL CONTINUE WITH A DRY FORECAST FOR WEDNESDAY.  A WARM FRONT
PUSHES INTO THE REGION ON THURSDAY AND LINGERS INTO FRIDAY.  WITH
STILL UNCERTAINTY ON THE STRENGTH...POSITION AND TIMING ...WILL KEEP
ONLY 20 POPS FOR BOTH THURSDAY AND FRIDAY.  HIGH PRESSURE RETURNS
FRIDAY NIGHT BRINGING DRY WEATHER FOR THE WEEKEND.  STAYED NEAR
MEX/HPC GUIDANCE FOR TEMPERATURES.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             50  77  59  79  56 /  20  10  20  50  10
KNOXVILLE MCGHEE TYSON AIRPORT, TN  46  74  57  75  54 /  20  10  40  50  10
OAK RIDGE, TN                       46  73  57  74  53 /  20  10  40  50  10
TRI CITIES AIRPORT, TN              44  67  50  73  48 /  30  10  60  60  20

&&

.MRX WATCHES/WARNINGS/ADVISORIES...
NC...NONE.
TN...NONE.
VA...NONE.
&&

SON/GH

Hazardous weather outlook, May 18, 4:58 AM EDT, 12 hours 22 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
458 AM EDT SUN MAY 18 2008

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-190900-
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-
458 AM EDT SUN MAY 18 2008 /358 AM CDT SUN MAY 18 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST NORTH
CAROLINA...EAST TENNESSEE AND SOUTHWEST VIRGINIA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.

TG

In the hours before

Special weather statement, May 18, 5:10 PM EDT, 10 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MORRISTOWN TN
510 PM EDT SUN MAY 18 2008

TNZ015-016-VAZ001-005-182215-
HANCOCK-HAWKINS-LEE-SCOTT-
510 PM EDT SUN MAY 18 2008

...A STRONG THUNDERSTORM WILL BE AFFECTING HANCOCK...HAWKINS...LEE
AND SCOTT COUNTIES...

AT 508 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 9 MILES NORTHWEST OF SNEEDVILLE...MOVING EAST AT
37 MPH.

THIS STORM WILL BE NEAR...
  SNEEDVILLE BY 520 PM EDT.
  6 MILES NORTH OF SURGOINSVILLE BY 555 PM EDT.

PEA SIZE HAIL...AND WINDS 40 TO 50 MPH ARE EXPECTED WITH THIS STORM.

DGS

The office that day

Everything else NWS Morristown, TN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 18, 6:20 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Hamblen, Jefferson	40 min
May 18, 6:32 PM EDT	Severe Thunderstorm Warning	MRX	Bledsoe, Hamilton, Meigs, Rhea, Sequatchie	58 min
May 18, 6:50 PM EDT	Severe Thunderstorm Warning	MRX	Cocke, Greene	32 min
May 18, 7:26 PM EDT	Severe Thunderstorm Warning	MRX	Bledsoe, Bradley, Hamilton, McMinn, Marion, Meigs and 4 more	64 min
May 18, 7:55 PM EDT	Severe Thunderstorm Warning	MRX	Bradley, Polk	65 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2008 Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.