Alert archive / Tennessee / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 14, NWS Morristown, TN

March 28, 2010Knox County, Loudon County, Tennessee

NWS Morristown, TN issued this severe thunderstorm warning at Mar 28, 2010, 4:48 PM EDT for Knox County, Loudon County, Tennessee. It was in force for 42 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
Mar 28, 2010, 4:48 PM EDT (20:48 UTC)
Expired
Mar 28, 2010, 5:30 PM EDT
In force
42 min
Issued by
NWS Morristown, TN
Area
Storm-based polygon

Counties Knox County, TN, Loudon County, TN

The radar

The Knoxville radar (KMRX), 73 km from the middle of the area, began a volume at 20:52 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 Mar 28, 2:40 PM EDT, 2 hours 8 minutes earlier.

Area forecast discussion, Mar 28, 2:40 PM EDT, 2 hours 8 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MORRISTOWN TN
240 PM EDT SUN MAR 28 2010

.SHORT TERM...(TONIGHT AND MONDAY)...LOW PRESSURE SYSTEM OVER
INDIANA WILL TRACK EAST...AND COLD FRONT WILL EXIT OUR AREA
OVERNIGHT.  SECONDARY LOW WILL DEVELOP NEAR EAST COAST AND TRACK
NORTHEAST.  SHOWER ACTIVITY WILL DIMINISH THIS EVENING...BUT MAY
HAVE SOME PATCHES OF LIGHT RAIN/DRIZZLE AROUND THROUGH MONDAY.  MAY
EVEN GET COLD ENOUGH OVER HIGHEST PEAKS FOR SOME FREEZING/FROZEN
PRECIP.  WINDS WILL REMAIN GUSTY THIS AFTERNOON...BUT SHOULD
DIMINISH THIS EVENING AND EXPECT WINDS TO GENERALLY BE BELOW WIND
ADVISORY CRITERIA...SO WILL LET WARNINGS/ADVISORIES EXPIRE ON
SCHEDULE.

.LONG TERM...(MONDAY NIGHT THROUGH SUNDAY)...SOUTHERN APPALACHIAN
REGION STILL ON TRACK FOR MAJOR PATTERN SHIFT WITH UPPER AIR FLOW
AND ACCOMPANYING HEIGHTS BECOMING MORE REMINISCENT OF SUMMER
PATTERN. EFFECTS OF SYSTEM CURRENTLY MOVING ACROSS THE REGION
EXPECTED TO END BY EARLY TUESDAY AFTER WHICH UPPER RIDGE BEGINS TO
BUILD IN. RIDGE CONTINUES TO AMPLIFY OVER THE REGION INTO NEXT
WEEKEND IN RESPONSE TO AMPLIFYING UPPER TROUGH OVER THE SOUTHWESTERN
CONUS. AS A RESULT...DRY WEATHER WITH WELL ABOVE CLIMO TEMPS
EXPECTED THROUGH MUCH OF THE LONG TERM. A SYSTEM DOES APPROACH BY
LATE NEXT WEEKEND BUT TIMING AND INTENSITY STILL IN QUESTION AT THIS
POINT. DID INTRODUCE SLIGHT CHANCE POPS FOR NEXT SUNDAY HOWEVER. FOR
TEMPS...AGAIN DID NOT DEVIATE TOO SIGNIFICANTLY FROM MAV/MEX
GUIDANCE BUT DID BUMP UP MAX VALUES SLIGHTLY TO ACCOUNT FOR
ANTICIPATED NEAR-SUMMERTIME HEIGHTS ACCOMPANYING UPPER RIDGE.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             46  53  42  67  39 /  30  20  10   0   0
KNOXVILLE MCGHEE TYSON AIRPORT, TN  46  51  40  63  39 /  40  30  20   0   0
OAK RIDGE, TN                       45  50  40  65  37 /  40  30  20   0   0
TRI CITIES AIRPORT, TN              43  53  40  60  34 /  50  40  20   0   0

&&

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

&&

LDW/LCM
Hazardous weather outlook, Mar 28, 5:11 AM EDT, 11 hours 37 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MORRISTOWN TN
511 AM EDT SUN MAR 28 2010

NCZ060-061-TNZ012>018-035>047-067>074-081>087-098>102-VAZ001-002-
005-006-008-290915-
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-
511 AM EDT SUN MAR 28 2010 /411 AM CDT SUN MAR 28 2010/

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

.DAY ONE...TODAY AND TONIGHT

STRONG SOUTHERLY WINDS WILL AFFECT THE AREA TODAY. SOME OF THESE
WINDS MAY BECOME DAMAGING...DOWNING TREES AND
POWER LINES...ESPECIALLY ALONG THE TENNESSEE MOUNTAINS AND WESTERN
FOOTHILLS. THUNDERSTORMS WILL ADVANCE ACROSS THE AREA THIS MORNING
IN ADVANCE OF A COLD FRONT DUE TO PASS THROUGH THE AREA BY THIS
EVENING. SOME OF THESE STORMS MAY PRODUCE DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED TODAY.

In the hours before

Local storm report, Mar 28, 4:18 PM EDT, 30 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Mar 28, 2:39 AM EDTHigh Wind WarningMRXBlount, Carter, Cocke, Greene, Johnson, Monroe and 3 more12 hr
Mar 28, 3:06 PM EDTTornado WarningMRXMonroe, Polk54 min
Mar 28, 5:06 PM EDTAreal Flood AdvisoryMRXHancock, Hawkins, Sullivan3 hr
Mar 28, 4:00 PM EDTSevere Thunderstorm WarningMRXCherokee, Clay45 min

Nearby

Severe Thunderstorm Warnings in Tennessee, 2010Every severe thunderstorm warning in 2010

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.