Alert archive / Georgia / Special Weather Statements in 2017
Special Weather Statement, NWS Tallahassee, FL
NWS Tallahassee, FL issued this special weather statement at Jul 9, 2017, 6:52 PM EDT for Grady County, Georgia. It was in force for 38 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 9, 2017, 6:52 PM EDT (22:52 UTC)
- Expired
- Jul 9, 2017, 7:30 PM EDT
- In force
- 38 min
- Issued by
- NWS Tallahassee, FL
County Grady County, GA
The radar
The Tallahassee radar (KTLH), 77 km from the middle of the area, began a volume at 22:53 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
Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.9 hours before the alert went out and 76 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
- 613 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 795 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- -9 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Tallahassee, FL wrote its last area forecast discussion before this special weather statement went out at Jul 9, 2:48 PM EDT, 4 hours 4 minutes earlier.
Area forecast discussion, Jul 9, 2:48 PM EDT, 4 hours 4 minutes before
Area Forecast Discussion National Weather Service Tallahassee FL 248 PM EDT Sun Jul 9 2017 .NEAR TERM [Through Tonight]... Scattered convection is expected through the evening hours. Modifying the 12z KTAE sounding for an afternoon T/Td of 90/74 yields SBCAPE values in the 3500-4000 j/kg. Given the high instability, there could be an isolated strong to severe storm this afternoon. However, the mid-level lapse rates are around 0.5C/km less than yesterday, and there isn't quite as much mid-level dry air either. Thus, we don't expect as much strong to severe activity as yesterday. Activity will gradually diminish after sunset, although some activity could linger for a couple of hours after sunset tonight. Overnight lows will generally be in the low to mid 70s. .SHORT TERM [Monday Through Tuesday Night]... The upper level trough over the eastern CONUS will deamplify allowing the western extension of the Bermuda Ridge to build into our area. The axis of the surface ridge is forecast to remain just south of our CWA so a moist onshore flow will continue. MOS and ECAM guidance show PoPs in the likely (60-70%)range tomorrow. Despite the ridge building in from the east late Tuesday, we should still see a fairly typical day for early July with 40-50% PoPs. Highs will be in the lower 90s with lows in the lower to mid 70s. .LONG TERM [Wednesday Through Sunday]... As deep layer ridging becomes more established over our area, we will see below seasonal chances for convection by the end of the week (20-30%) along with above normal daytime temperatures (mid 90s). Rain chances should increase over the weekend as the upper ridge breaks down and another trough digs into the region along with the approach of a surface front/trough from the north. && .AVIATION [Through 18Z Monday]... Scattered TSRA will continue across the area through the evening hours. VFR conditions are expected to prevail outside of convection. TSRA may get an early start during the late morning hours on Monday around ECP and TLH. && .MARINE... Winds and seas will generally remain on the low side as high pressure will dominate across the northern Gulf. Locally higher enhancements to winds and seas can be expected in and around heavier thunderstorms. && .FIRE WEATHER... Hazardous fire weather conditions are not expected over the next several days. && .HYDROLOGY... Diurnal summertime showers and storms can be expected just about every afternoon and early evening this period. Brief heavy rain can also be expected with any slower moving storm. The duration of the heavy rain should be short enough to preclude widespread flooding concerns. Area rivers will remain below flood stage. && .PRELIMINARY POINT TEMPS/POPS... Tallahassee 74 91 74 93 75 / 40 60 20 50 20 Panama City 76 89 77 89 78 / 30 60 20 40 20 Dothan 72 91 73 92 74 / 40 60 20 50 20 Albany 73 92 73 92 74 / 40 60 20 40 20 Valdosta 73 92 73 93 74 / 40 70 20 50 20 Cross City 73 92 73 92 75 / 30 50 20 30 20 Apalachicola 76 90 77 90 77 / 30 40 20 30 30 && .TAE WATCHES/WARNINGS/ADVISORIES... FL...None. GA...None. AL...None. GM...None. && NEAR TERM...DVD SHORT TERM...Barry LONG TERM...Barry AVIATION...DVD MARINE...Barry FIRE WEATHER...Harrigan HYDROLOGY...Scholl
In the hours before
Local storm report, Jul 9, 6:14 PM EDT, 38 minutes before
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</html>Special weather statement, Jul 9, 6:16 PM EDT, 36 minutes before
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</html>Local storm report, Jul 9, 6:17 PM EDT, 35 minutes before
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</html>Special weather statement, Jul 9, 6:18 PM EDT, 34 minutes before
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</html>Special weather statement, Jul 9, 6:28 PM EDT, 24 minutes before
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</html>Special weather statement, Jul 9, 6:52 PM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 9, 1:42 PM EDT | Special Weather Statement | TAE | Calhoun | 33 min |
| Jul 9, 3:43 PM EDT | Special Weather Statement | TAE | Wakulla | 32 min |
| Jul 9, 3:50 PM EDT | Special Weather Statement | TAE | Calhoun | 25 min |
| Jul 9, 4:03 PM EDT | Severe Thunderstorm Warning | TAE | Bay, Calhoun | 27 min |
| Jul 9, 4:18 PM EDT | Special Weather Statement | TAE | Wakulla | 27 min |
| Jul 9, 4:34 PM EDT | Special Weather Statement | TAE | Gadsden | 26 min |
| Jul 9, 4:54 PM EDT | Special Weather Statement | TAE | Leon | 36 min |
| Jul 9, 6:16 PM EDT | Special Weather Statement | TAE | Madison | 44 min |
| Jul 9, 6:18 PM EDT | Special Weather Statement | TAE | Franklin | 27 min |
| Jul 9, 5:46 PM EDT | Special Weather Statement | TAE | Thomas | 29 min |
| Jul 9, 5:50 PM EDT | Severe Thunderstorm Warning | TAE | Thomas | 25 min |
| Jul 9, 6:13 PM EDT | Special Weather Statement | TAE | Thomas | 47 min |
| Jul 9, 6:28 PM EDT | Special Weather Statement | TAE | Colquitt | 32 min |
| Jul 9, 7:14 PM EDT | Special Weather Statement | TAE | Mitchell | 31 min |
| Jul 9, 7:22 PM EDT | Special Weather Statement | TAE | Tift | 38 min |
Nearby
Special Weather Statements in Georgia, 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.