Alert archive / Arkansas / Tornado Watches in 1998
Tornado Watch 507
The Storm Prediction Center issued this tornado watch at Jun 4, 1998, 6:00 PM CDT for 35 counties in Arkansas; 13 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 4, 1998, 6:00 PM CDT (23:00 UTC)
- Expired
- Jun 5, 1998, 12:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 48 counties
Baxter County, AR, Boone County, AR, Carroll County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Garland County, AR, Howard County, AR, Independence County, AR, Izard County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pike County, AR, Polk County, AR, Pope County, AR, Randolph County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sevier County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Yell County, AR, Atoka County, OK, Bryan County, OK, Choctaw County, OK, Coal County, OK, Haskell County, OK, Johnston County, OK, Latimer County, OK, LeFlore County, OK, Marshall County, OK, McCurtain County, OK, Pittsburg County, OK, Pushmataha County, OK, Sequoyah County, OK
Warnings issued inside it
29 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 6:12 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 48 min |
| Jun 4, 6:17 PM CDT | Severe Thunderstorm Warning | TSA | Madison, Washington | 43 min |
| Jun 4, 6:31 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 44 min |
| Jun 4, 6:57 PM CDT | Severe Thunderstorm Warning | LZK | Johnson | 63 min |
| Jun 4, 7:12 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 33 min |
| Jun 4, 7:31 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 44 min |
| Jun 4, 7:50 PM CDT | Severe Thunderstorm Warning | LZK | Logan, Pope | 60 min |
| Jun 4, 7:56 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 49 min |
| Jun 4, 8:12 PM CDT | Severe Thunderstorm Warning | OUN | Bryan | 33 min |
| Jun 4, 8:16 PM CDT | Severe Thunderstorm Warning | TSA | Pushmataha | 59 min |
| Jun 4, 8:22 PM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 38 min |
| Jun 4, 8:25 PM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 65 min |
| Jun 4, 8:42 PM CDT | Severe Thunderstorm Warning | LZK | Conway | 48 min |
| Jun 4, 8:44 PM CDT | Severe Thunderstorm Warning | TSA | Choctaw | 46 min |
| Jun 4, 9:11 PM CDT | Severe Thunderstorm Warning | SHV | McCurtain | 64 min |
| Jun 4, 9:12 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 48 min |
| Jun 4, 9:17 PM CDT | Severe Thunderstorm Warning | TSA | Franklin, Sebastian | 58 min |
| Jun 4, 9:39 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 21 min |
| Jun 4, 9:44 PM CDT | Severe Thunderstorm Warning | LZK | Johnson, Newton | 61 min |
| Jun 4, 9:54 PM CDT | Severe Thunderstorm Warning | SHV | Howard, Sevier | 61 min |
| Jun 4, 10:00 PM CDT | Severe Thunderstorm Warning | LZK | Polk | 65 min |
| Jun 4, 10:07 PM CDT | Tornado Warning | LZK | Polk | 48 min |
| Jun 4, 10:32 PM CDT | Severe Thunderstorm Warning | LZK | Montgomery, Pike | 48 min |
| Jun 4, 11:26 PM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 34 min |
| Jun 4, 11:33 PM CDT | Severe Thunderstorm Warning | LZK | Cleburne | 32 min |
| Jun 4, 11:51 PM CDT | Severe Thunderstorm Warning | LZK | Garland, Hot Spring, Saline | 64 min |
| Jun 4, 11:51 PM CDT | Severe Thunderstorm Warning | LZK | Conway, Perry | 64 min |
| Jun 4, 11:57 PM CDT | Severe Thunderstorm Warning | LZK | Faulkner, Pulaski | 63 min |
| Jun 5, 12:00 AM CDT | Severe Thunderstorm Warning | LZK | Independence | 50 min |
The nearest sounding before it
Springfield, MO (KSGF), launched 12:00Z, 11.0 hours before the alert went out and 241 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
- 160 J/kg
- Mixed-layer CIN
- -374 J/kg
- Mixed-layer LCL
- 575 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 388 m²/s²
- 0-3 km storm-relative helicity
- 377 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.9
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
Nearby
Tornado Watches in Arkansas, 1998Tornado Watches in Oklahoma, 1998Every tornado watch in 1998
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.