Alert archive / Tennessee / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 80, NWS Morristown, TN

May 14, 20099 counties in Tennessee; Cherokee County, North Carolina

NWS Morristown, TN issued this severe thunderstorm warning at May 14, 2009, 9:05 PM EDT for 9 counties in Tennessee; Cherokee County, North Carolina. It was in force for 40 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 14, 2009, 9:05 PM EDT (01:05 UTC)
Expired: May 14, 2009, 9:45 PM EDT
In force: 40 min
Issued by: NWS Morristown, TN
Area: Storm-based polygon

Counties Cherokee County, NC, Blount County, TN, Bradley County, TN, Hamilton County, TN, Knox County, TN, Loudon County, TN, McMinn County, TN, Monroe County, TN, Polk County, TN, Sevier County, TN

The radar

The Knoxville radar (KMRX), 114 km from the middle of the area, began a volume at 01:08 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 14, 8:12 PM EDT, 53 minutes earlier.

Area forecast discussion, May 14, 8:12 PM EDT, 53 minutes before

AREA FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE MORRISTOWN TN
812 PM EDT THU MAY 14 2009

.DISCUSSION...CONSIDERING COVERAGE OF CONVECTION OVER CENTRAL
VALLEY AND SE TN...OPTED TO DO A QUICK UPDATE OF ZFPMRX...GRIDS AND
WEB PRODUCTS. CARRIED A BRIEF WINDOW OF LIKELY POPS WHERE BEST
COVERAGE WILL OCCUR OVER THE NEXT FEW HOURS. STRONG STORMS LINGER
WITH AS OF YET NO REPORTS OF HAIL...AND JUST ONE TREE DOWN IN ROANE
COUNTY.

WILL UPDATE GRIDS AND ALL WEB PRODUCTS LATE THIS SHIFT...AFTER
ACTIVITY DIES DOWN.

&&

.PRELIMINARY POINT TEMPS/POPS...
CHATTANOOGA AIRPORT, TN             64  83  64  83  59 /  30  30  40  70  70
KNOXVILLE MCGHEE TYSON AIRPORT, TN  62  80  64  80  57 /  60  30  40  70  70
OAK RIDGE, TN                       62  82  64  81  56 /  40  40  30  70  70
TRI CITIES AIRPORT, TN              59  81  60  81  56 /  30  40  40  60  70

&&

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

&&

TG

In the hours before

Local storm report, May 14, 8:53 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MORRISTOWN TN
853 PM EDT THU MAY 14 2009

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0806 PM     HAIL             4 W ATHENS              35.45N 84.67W
05/14/2009  E0.75 INCH       MCMINN             TN   LAW ENFORCEMENT

            DIME TO PENNY SIZE HAIL, 4 W OF ATHENS. REPORTED BY
            DISPATCH.

&&

MEP

The office that day

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

Issued	Product	Office	Counties	Lasted
May 14, 8:19 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Bradley, Hamilton, Knox, Loudon, McMinn and 6 more	41 min
May 14, 9:39 PM EDT	Flash Flood Warning	MRX	Carter, Johnson, Unicoi	3 hr
May 14, 10:39 PM EDT	Areal Flood Advisory	MRX	Bradley, McMinn, Meigs, Morgan, Rhea, Roane	3 hr
May 14, 11:43 PM EDT	Areal Flood Advisory	MRX	Hamilton	3 hr
May 15, 12:29 AM EDT	Flash Flood Warning	MRX	Unicoi	3 hr
May 15, 1:27 PM EDT	Severe Thunderstorm Warning	MRX	Morgan, Scott	63 min
May 15, 1:50 PM EDT	Areal Flood Advisory	MRX	Marion	3 hr
May 15, 1:57 PM EDT	Areal Flood Advisory	MRX	Bledsoe, Rhea	3 hr
May 15, 2:07 PM EDT	Areal Flood Advisory	MRX	Blount	3 hr
May 15, 2:22 PM EDT	Areal Flood Advisory	MRX	Polk	3 hr
May 15, 3:03 PM EDT	Areal Flood Advisory	MRX	Monroe	3 hr
May 15, 3:10 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Sevier	65 min
May 15, 3:23 PM EDT	Areal Flood Advisory	MRX	Blount, Knox, Sevier	3 hr
May 15, 3:42 PM EDT	Severe Thunderstorm Warning	MRX	Blount	48 min
May 15, 4:27 PM EDT	Severe Thunderstorm Warning	MRX	Blount, Knox, Loudon, Monroe	63 min
May 15, 4:36 PM EDT	Severe Thunderstorm Warning	MRX	Grainger, Hamblen, Jefferson, Knox, Sevier	54 min
May 15, 5:01 PM EDT	Areal Flood Advisory	MRX	Loudon, Monroe	3 hr
May 15, 5:07 PM EDT	Severe Thunderstorm Warning	MRX	Morgan	68 min
May 15, 5:15 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, McMinn, Roane	60 min
May 15, 5:28 PM EDT	Flash Flood Warning	MRX	Blount, Knox, Loudon, McMinn, Monroe, Roane	3 hr
May 15, 5:31 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Blount, Knox, Loudon, McMinn, Monroe	44 min
May 15, 5:44 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Knox, Union	61 min
May 15, 6:02 PM EDT	Severe Thunderstorm Warning	MRX	Hamilton, Marion, Sequatchie	58 min
May 15, 6:12 PM EDT	Severe Thunderstorm Warning	MRX	McMinn, Monroe	63 min
May 15, 6:16 PM EDT	Severe Thunderstorm Warning	MRX	Meigs, Morgan, Roane	44 min
May 15, 6:22 PM EDT	Severe Thunderstorm Warning	MRX	Campbell, Claiborne	39 min
May 15, 6:30 PM EDT	Areal Flood Advisory	MRX	Knox	2 hr
May 15, 6:35 PM EDT	Severe Thunderstorm Warning	MRX	Claiborne, Grainger, Hancock	40 min
May 15, 6:38 PM EDT	Severe Thunderstorm Warning	MRX	Anderson, Campbell, Knox	28 min
May 15, 6:47 PM EDT	Areal Flood Advisory	MRX	McMinn	118 min
May 15, 4:19 PM EDT	Severe Thunderstorm Warning	MRX	Cherokee, Clay	41 min
May 15, 5:38 PM EDT	Areal Flood Advisory	MRX	Clay	3 hr

Nearby

Severe Thunderstorm Warnings in Tennessee, 2009 Severe Thunderstorm Warnings in North Carolina, 2009 Every severe thunderstorm warning in 2009

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.