Alert archive / Kentucky / Tornado Watches in 1999
Tornado Watch 25
The Storm Prediction Center issued this tornado watch at Jan 21, 1999, 10:00 PM CST for 11 counties in Illinois; 19 counties in Kentucky; 7 counties in Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 21, 1999, 10:00 PM CST (04:00 UTC)
- Expired
- Jan 22, 1999, 3:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Alexander County, IL, Gallatin County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Graves County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Mississippi County, MO, Perry County, MO, Scott County, MO, Stoddard County, MO
Warnings issued inside it
15 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 21, 10:00 PM CST | Tornado Warning | PAH | Scott | 35 min |
| Jan 21, 10:23 PM CST | Tornado Warning | PAH | Butler, Stoddard | 62 min |
| Jan 21, 11:24 PM CST | Severe Thunderstorm Warning | PAH | Scott | 36 min |
| Jan 21, 11:34 PM CST | Severe Thunderstorm Warning | PAH | Stoddard | 41 min |
| Jan 21, 11:38 PM CST | Tornado Warning | PAH | Mississippi | 37 min |
| Jan 21, 11:56 PM CST | Tornado Warning | PAH | Ballard, Carlisle | 49 min |
| Jan 22, 12:05 AM CST | Severe Thunderstorm Warning | PAH | Johnson, Williamson | 55 min |
| Jan 22, 12:15 AM CST | Severe Thunderstorm Warning | PAH | Massac | 45 min |
| Jan 22, 12:32 AM CST | Severe Thunderstorm Warning | PAH | Union | 28 min |
| Jan 22, 12:41 AM CST | Severe Thunderstorm Warning | PAH | Ballard, Carlisle | 34 min |
| Jan 22, 12:53 AM CST | Severe Thunderstorm Warning | PAH | Massac | 37 min |
| Jan 22, 1:06 AM CST | Severe Thunderstorm Warning | PAH | Johnson, Pope | 39 min |
| Jan 22, 1:30 AM CST | Severe Thunderstorm Warning | PAH | Gallatin, Hardin, Saline | 30 min |
| Jan 22, 1:36 AM CST | Severe Thunderstorm Warning | PAH | Graves, McCracken | 39 min |
| Jan 22, 1:49 AM CST | Severe Thunderstorm Warning | PAH | Pope | 41 min |
The nearest sounding before it
Nashville Metro, TN (KBNA), launched 00:00Z, 4.0 hours before the alert went out and 246 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
- 313 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1275 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 249 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 22, 2:45 AM CST | Tornado Watch | SPC | Gallatin, Hardin, Massac, Pope, Wabash | 6 hr |
| Jan 21, 9:00 PM CST | Tornado Watch | SPC | Dunklin, Pemiscot | 6 hr |
| Jan 22, 3:00 AM CST | Tornado Watch | SPC | Pemiscot | 6 hr |
Nearby
Tornado Watches in Kentucky, 1999Tornado Watches in Illinois, 1999Tornado Watches in Missouri, 1999Every tornado watch in 1999
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.