Alert archive / Tennessee / Special Weather Statements in 2017
Special Weather Statement, NWS Nashville, TN
NWS Nashville, TN issued this special weather statement at Jul 1, 2017, 1:43 PM CDT for Coffee County, Grundy County, Tennessee. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 1, 2017, 1:43 PM CDT (18:43 UTC)
- Expired
- Jul 1, 2017, 2:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Nashville, TN
Counties Coffee County, TN, Grundy County, TN
The radar
The Northeast Alabama radar (KHTX), 54 km from the middle of the area, began a volume at 18:43 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, 6.7 hours before the alert went out and 113 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
- 324 J/kg
- Mixed-layer CIN
- -131 J/kg
- Mixed-layer LCL
- 1038 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 121 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Nashville, TN wrote its last area forecast discussion before this special weather statement went out at Jul 1, 1:43 PM CDT, 0 minutes earlier.
Area forecast discussion, Jul 1, 1:43 PM CDT, 0 minutes before
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</html>Hazardous weather outlook, Jul 1, 5:31 AM CDT, 8 hours 12 minutes before
Hazardous Weather Outlook National Weather Service Nashville TN 531 AM CDT Sat Jul 1 2017 TNZ005>011-023>034-056>066-075-077>080-093>095-021045- Stewart-Montgomery-Robertson-Sumner-Macon-Clay-Pickett-Houston- Humphreys-Dickson-Cheatham-Davidson-Wilson-Trousdale-Smith- Jackson-Putnam-Overton-Fentress-Perry-Hickman-Lewis-Williamson- Maury-Marshall-Rutherford-Cannon-De Kalb-White-Cumberland-Bedford- Coffee-Warren-Grundy-Van Buren-Wayne-Lawrence-Giles- 531 AM CDT Sat Jul 1 2017 This Hazardous Weather Outlook is for portions of Middle Tennessee. .DAY ONE...Today and Tonight There is a marginal to slight risk of severe thunderstorms today across the southeast half of Middle Tennessee, generally along and south of a line from Waynesboro to Gallatin. Scattered thunderstorms are expected to develop and spread across Middle Tennessee today, and some storms may become strong to possibly severe with damaging winds and hail. .DAYS TWO THROUGH SEVEN...Sunday through Friday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated at this time. Spotter Thunderstorm Reporting Criteria Tornado Funnel Cloud Flooding Hail >= 1/2 inch Winds > 50 MPH (Measured) Structural Damage Shamburger
In the hours before
Special weather statement, Jul 1, 12:23 PM CDT, 1 hour 20 minutes before
Special Weather Statement National Weather Service Nashville TN 1223 PM CDT SAT JUL 1 2017 TNZ063-077>079-011800- Cannon TN-Coffee TN-Grundy TN-Warren TN- 1223 PM CDT SAT JUL 1 2017 ...SIGNIFICANT WEATHER ADVISORY FOR COFFEE...SOUTHWESTERN WARREN... NORTHWESTERN GRUNDY AND SOUTH CENTRAL CANNON COUNTIES UNTIL 100 PM CDT... At 1222 PM CDT, Doppler radar was tracking a strong thunderstorm near Manchester, moving east at 25 mph. Half inch hail and winds in excess of 40 mph will be possible with this storm. Locations impacted include... Manchester, Morrison, Viola, Hillsboro and Summitville. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential 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 10 miles away from a thunderstorm. Seek a safe shelter inside a building or vehicle. This storm may intensify, so be certain to monitor local radio stations and available television stations for additional information and possible warnings from the National Weather Service. && LAT...LON 3541 8625 3568 8618 3570 8585 3540 8584 TIME...MOT...LOC 1722Z 267DEG 22KT 3554 8615 07
Local storm report, Jul 1, 12:50 PM CDT, 53 minutes before
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</html>Local storm report, Jul 1, 1:11 PM CDT, 32 minutes before
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</html>Special weather statement, Jul 1, 1:43 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Nashville, TN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 1, 12:10 PM CDT | Special Weather Statement | OHX | Bedford | 50 min |
| Jul 1, 12:23 PM CDT | Special Weather Statement | OHX | Coffee | 37 min |
| Jul 1, 12:26 PM CDT | Severe Thunderstorm Warning | OHX | Coffee, Warren | 34 min |
| Jul 1, 12:58 PM CDT | Special Weather Statement | OHX | Bedford | 32 min |
| Jul 1, 1:03 PM CDT | Special Weather Statement | OHX | Grundy | 42 min |
| Jul 1, 1:55 PM CDT | Special Weather Statement | OHX | Montgomery, Stewart | 50 min |
| Jul 1, 2:49 PM CDT | Special Weather Statement | OHX | Stewart | 26 min |
| Jul 1, 3:19 PM CDT | Special Weather Statement | OHX | Robertson | 26 min |
| Jul 1, 3:35 PM CDT | Special Weather Statement | OHX | Jackson, Smith | 25 min |
| Jul 1, 3:39 PM CDT | Special Weather Statement | OHX | Clay, Pickett | 36 min |
| Jul 1, 4:07 PM CDT | Special Weather Statement | OHX | Davidson, Wilson | 38 min |
| Jul 1, 4:10 PM CDT | Special Weather Statement | OHX | Jackson, Overton, Smith | 50 min |
| Jul 1, 4:25 PM CDT | Special Weather Statement | OHX | Fentress, Overton, Pickett | 50 min |
| Jul 1, 4:31 PM CDT | Special Weather Statement | OHX | Hickman | 44 min |
| Jul 1, 4:53 PM CDT | Special Weather Statement | OHX | Putnam, White | 52 min |
| Jul 1, 5:07 PM CDT | Special Weather Statement | OHX | Williamson | 53 min |
| Jul 1, 5:11 PM CDT | Severe Thunderstorm Warning | OHX | Hickman, Williamson | 34 min |
| Jul 1, 5:34 PM CDT | Special Weather Statement | OHX | Cumberland, Van Buren, Warren | 41 min |
| Jul 1, 5:41 PM CDT | Special Weather Statement | OHX | Williamson | 34 min |
Nearby
Special Weather Statements in Tennessee, 2017Every special weather statement 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.