Alert archive / Tennessee / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 122, NWS Huntsville, AL
NWS Huntsville, AL issued this severe thunderstorm warning at Jul 5, 2017, 2:18 PM CDT for Franklin County, Lincoln County, Moore 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
- Jul 5, 2017, 2:18 PM CDT (19:18 UTC)
- Expired
- Jul 5, 2017, 3:00 PM CDT
- In force
- 42 min
- Issued by
- NWS Huntsville, AL
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 38 km from the middle of the area, began a volume at 19:22 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, 7.3 hours before the alert went out and 107 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
- 946 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 792 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 69 m²/s²
- 0-3 km storm-relative helicity
- 86 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 Huntsville, AL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 5, 2:08 PM CDT, 10 minutes earlier.
Area forecast discussion, Jul 5, 2:08 PM CDT, 10 minutes before
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</html>Hazardous weather outlook, Jul 5, 1:51 PM CDT, 27 minutes before
Hazardous Weather Outlook National Weather Service Huntsville AL 151 PM CDT Wed Jul 5 2017 ALZ001>010-016-TNZ076-096-097-061000- Lauderdale-Colbert-Franklin AL-Lawrence-Limestone-Madison-Morgan- Marshall-Jackson-De Kalb-Cullman-Moore-Lincoln-Franklin TN- 151 PM CDT Wed Jul 5 2017 This Hazardous Weather Outlook is for north Alabama and portions of southern middle Tennessee. .DAY ONE...Tonight... Scattered thunderstorms will continue across the area through the evening hours. A few strong to marginally severe storms are likely with the primary threats being wind gusts to around 50 to 60 mph and frequent cloud to ground lightning. Given the recent rainfall across the area, a few instances of flash flooding are possible. Some storms may linger into the overnight hours. .DAYS TWO THROUGH SEVEN...Thursday through Tuesday... Scattered to numerous showers and thunderstorms are expected again on Thursday ahead of a weak front. A few stronger storms may produce gusty winds to around 50 mph and heavy rainfall leading to isolated instances of flash flooding. Isolated to scattered thunderstorms will continue on Friday, as the front washes out to our south. A slightly stronger front will move into the region on Saturday, with scattered thunderstorms possible once again. A few storms may become strong, with gusty winds and heavy rainfall the main threats. Isolated thunderstorms will remain in the forecast Sunday through Tuesday. .SPOTTER CALL TO ACTION STATEMENT... Activation of storm spotters and emergency management personnel is not anticipated at this time.
In the hours before
Special weather statement, Jul 5, 1:34 PM CDT, 44 minutes before
Special Weather Statement
National Weather Service Huntsville AL
134 PM CDT WED JUL 5 2017
ALZ009-010-051915-
De Kalb AL-Jackson AL-
134 PM CDT WED JUL 5 2017
...SIGNIFICANT WEATHER ADVISORY FOR EASTERN JACKSON AND NORTHEASTERN
DEKALB COUNTIES UNTIL 215 PM CDT...
At 134 PM CDT, Doppler radar was tracking strong thunderstorms along
a line extending from near Stevenson to near Hollywood to near
Section. Movement was east at 25 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Scottsboro, Rainsville, Bridgeport, Henagar, Stevenson, Sylvania,
Hollywood, Powell, Section and Ider.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
line of storms has passed.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike several away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
&&
LAT...LON 3451 8573 3455 8615 3472 8604 3493 8599
3499 8583 3498 8561 3474 8556
TIME...MOT...LOC 1834Z 249DEG 20KT 3485 8590 3470 8592 3459 8606
AMPSpecial weather statement, Jul 5, 1:39 PM CDT, 39 minutes before
Special Weather Statement
National Weather Service Huntsville AL
139 PM CDT WED JUL 5 2017
ALZ001-004-005-051930-
Lawrence AL-Lauderdale AL-Limestone AL-
139 PM CDT WED JUL 5 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTHEASTERN LAUDERDALE...
NORTHERN LIMESTONE AND NORTH CENTRAL LAWRENCE COUNTIES UNTIL 230 PM
CDT...
At 138 PM CDT, Doppler radar was tracking a cluster of strong
thunderstorms from near Lester to near Anderson to near Killen,
moving northeast at 25 mph.
Winds of 40 to 50 mph will be possible with this storm.
Locations impacted include...
Athens, Rogersville, Ardmore, Killen, Lexington, Elkmont, Anderson,
Lester, Good Springs and Cartwright.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Very heavy rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike several miles away from a thunderstorm. Seek a
safe shelter inside a building or vehicle.
&&
LAT...LON 3499 8678 3489 8678 3471 8738 3475 8743
3476 8742 3478 8743 3480 8743 3481 8749
3486 8754 3500 8724
TIME...MOT...LOC 1838Z 236DEG 32KT 3496 8705
AMPSpecial weather statement, Jul 5, 1:43 PM CDT, 35 minutes before
Special Weather Statement
National Weather Service Huntsville AL
143 PM CDT WED JUL 5 2017
ALZ006-TNZ076-096-051915-
Madison AL-Moore TN-Lincoln TN-
143 PM CDT WED JUL 5 2017
...SIGNIFICANT WEATHER ADVISORY FOR NORTHWESTERN MADISON...MOORE AND
LINCOLN COUNTIES UNTIL 215 PM CDT...
At 142 PM CDT, Doppler radar was tracking a strong thunderstorm 8
miles east of Ardmore, or 12 miles southwest of Fayetteville, moving
northeast at 25 mph. An additional cluster of strong thunderstorms
was located near Elkton, moving east at 25 mph.
Wind gusts up to 50 mph will be possible with these storms.
Locations impacted include...
Fayetteville, Lynchburg, Meridianville, Moores Mill, Hazel Green,
Ardmore, Petersburg, Tims Ford Lake, Lincoln and Hurdlow.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
storm has passed.
Frequent cloud to ground lightning is occurring with these storms.
Lightning can strike several miles away from a thunderstorm. Seek a
safe shelter inside a building or vehicle.
&&
LAT...LON 3535 8654 3536 8649 3532 8645 3532 8642
3535 8640 3524 8628 3522 8632 3521 8629
3520 8631 3517 8630 3514 8632 3489 8654
3495 8678 3499 8678 3499 8684 3526 8683
3525 8675 3531 8668 3533 8660 3537 8659
TIME...MOT...LOC 1842Z 221DEG 24KT 3501 8670
AMPSpecial weather statement, Jul 5, 1:54 PM CDT, 24 minutes before
Special Weather Statement
National Weather Service Huntsville AL
154 PM CDT WED JUL 5 2017
ALZ008-009-051930-
Marshall AL-Jackson AL-
154 PM CDT WED JUL 5 2017
...SIGNIFICANT WEATHER ADVISORY FOR SOUTH CENTRAL JACKSON AND
NORTHEASTERN MARSHALL COUNTIES UNTIL 230 PM CDT...
At 154 PM CDT, Doppler radar was tracking a strong thunderstorm near
Grant, or 9 miles northeast of Guntersville, moving northeast at 15
mph.
Winds in excess of 40 mph will be possible with this storm.
Locations impacted include...
Scottsboro, Grant, Section, Langston and Lake Guntersville St Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Strong gusty winds will be capable of knocking down small tree limbs
along with other small unsecured items. Seek safe shelter until this
storm has passed.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike several miles away from a thunderstorm. Seek a
safe shelter inside a building or vehicle.
&&
LAT...LON 3449 8599 3447 8603 3447 8606 3443 8611
3442 8611 3440 8618 3451 8626 3465 8603
3453 8593
TIME...MOT...LOC 1854Z 242DEG 15KT 3446 8618
AMPSpecial weather statement, Jul 5, 2:07 PM CDT, 11 minutes before
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</html>The office that day
Everything else NWS Huntsville, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 5, 12:35 AM CDT | River Flood Warning | HUN | Jackson, Madison, Marshall | 65 hr |
| Jul 5, 11:27 AM CDT | Special Weather Statement | HUN | Morgan | 33 min |
| Jul 5, 11:32 AM CDT | Special Weather Statement | HUN | DeKalb | 28 min |
| Jul 5, 11:37 AM CDT | Special Weather Statement | HUN | Morgan | 38 min |
| Jul 5, 11:54 AM CDT | Special Weather Statement | HUN | Lauderdale | 36 min |
| Jul 5, 11:58 AM CDT | Special Weather Statement | HUN | Madison | 47 min |
| Jul 5, 12:19 PM CDT | Special Weather Statement | HUN | Colbert | 41 min |
| Jul 5, 12:26 PM CDT | Special Weather Statement | HUN | DeKalb | 34 min |
| Jul 5, 12:43 PM CDT | Special Weather Statement | HUN | Colbert | 32 min |
| Jul 5, 12:50 PM CDT | Special Weather Statement | HUN | Jackson | 40 min |
| Jul 5, 12:53 PM CDT | Special Weather Statement | HUN | Lawrence | 37 min |
| Jul 5, 12:56 PM CDT | Special Weather Statement | HUN | Franklin | 34 min |
| Jul 5, 1:00 PM CDT | Special Weather Statement | HUN | Limestone | 45 min |
| Jul 5, 1:13 PM CDT | Special Weather Statement | HUN | Lauderdale | 32 min |
| Jul 5, 1:21 PM CDT | Special Weather Statement | HUN | Marshall | 39 min |
| Jul 5, 1:30 PM CDT | Special Weather Statement | HUN | Lawrence | 30 min |
| Jul 5, 1:34 PM CDT | Special Weather Statement | HUN | Jackson | 41 min |
| Jul 5, 1:39 PM CDT | Special Weather Statement | HUN | Limestone | 51 min |
| Jul 5, 1:48 PM CDT | Severe Thunderstorm Warning | HUN | Limestone, Madison | 42 min |
| Jul 5, 1:54 PM CDT | Special Weather Statement | HUN | DeKalb | 36 min |
| Jul 5, 2:07 PM CDT | Special Weather Statement | HUN | Limestone | 38 min |
| Jul 5, 3:10 PM CDT | Special Weather Statement | HUN | DeKalb | 35 min |
| Jul 5, 3:29 PM CDT | Severe Thunderstorm Warning | HUN | DeKalb | 31 min |
| Jul 5, 11:31 AM CDT | Special Weather Statement | HUN | Moore | 29 min |
| Jul 5, 1:43 PM CDT | Special Weather Statement | HUN | Lincoln, Moore | 32 min |
| Jul 5, 2:09 PM CDT | Special Weather Statement | HUN | Moore | 51 min |
| Jul 5, 2:39 PM CDT | Severe Thunderstorm Warning | HUN | Franklin | 21 min |
Nearby
Severe Thunderstorm Warnings in Tennessee, 2017Every severe thunderstorm warning in 2017
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.