Alert archive / Oklahoma / Tornado Warnings in 1999
Tornado Warning 110, NWS Tulsa, OK
NWS Tulsa, OK issued this tornado warning at Dec 3, 1999, 11:29 PM CST for Tulsa County, Wagoner County, Oklahoma. It was in force for 31 min. 4 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Dec 3, 1999, 11:29 PM CST (05:29 UTC)
- Expired
- Dec 4, 1999, 12:00 AM CST
- In force
- 31 min
- Issued by
- NWS Tulsa, OK
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Tulsa County, OK, Wagoner County, OK
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Dec 3, 11:34 PM CST | Hail 0.75 | Broken Arrow, OK | |
| Dec 3, 11:39 PM CST | Hail 0.88 | Broken Arrow, OK | Nickel size hail was reported by an off duty National Weather Service employee at the corner of 86th street and 145th east avenue. |
| Dec 3, 11:41 PM CST | Hail 1.75 | Broken Arrow, OK | Golf ball size hail was reported at the corner of 81st street and Oak avenue. |
| Dec 3, 11:41 PM CST | Hail 0.75 | Oneta, OK |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Dec 3, 8:45 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Lamont, OK (KLMN), launched 00:00Z, 5.5 hours before the alert went out and 167 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS54 KTSA 040530 RRA TORTUL OKC143-145-040600- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE TULSA OK 1129 PM CST FRI DEC 3 1999 THE NATIONAL WEATHER SERVICE IN TULSA HAS ISSUED A * TORNADO WARNING FOR EASTERN TULSA COUNTY IN NORTHEAST OKLAHOMA NORTHWESTERN WAGONER COUNTY IN NORTHEAST OKLAHOMA * UNTIL MIDNIGHT CST * AT 1129 PM CST...RADAR INDICATED A SEVERE THUNDERSTORM WITH STRONG ROTATION 7 MILES SOUTH OF BROKEN ARROW. MOVING NORTHEAST AT 35 MPH...THIS DANGEROUS STORM COULD PRODUCE A TORNADO AT ANY TIME. * SOME LOCATIONS NEAR THE PATH OF THIS STORM INCLUDE... ONETA... BROKEN ARROW AND FAIR OAKS. IN ADDITION TO THE THREAT OF A TORNADO...LAsRGE HAIL AND DAMAGING STRAIGHT LINE WINDS CAN BE EXPECTED WITH THIS STORM. GO TO A SAFE PLACE NOW! LAT...LON 3600 9590 3589 9579 3607 9552 3616 9576
What forecasters said that day
The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Tulsa, OK wrote its last area forecast discussion before this tornado warning went out at Dec 3, 8:55 PM CST, 2 hours 34 minutes earlier.
Area forecast discussion, Dec 3, 8:55 PM CST, 2 hours 34 minutes before
EASTERN OKLAHOMA/NORTHWEST ARKANSAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE TULSA OK 855 PM CST FRI DEC 3 1999 UPDATED ZONES TO INCLUDE THE SEVERE THUNDERSTORM WATCH. SEVERE STORMS DEVELOPED QUaICKLY OVER FAR NORTHEAST OK AND HAVE PRODUCED DIME TO QUARTER SIZE HAIL. GENERAL FORECAST LOOKS OKAY AND WILL NOT MAKE ANY CHANGES AT THIS TIME. FCSTID = 02 .TUL... AR...NONE. OK...NONE. ABBAS E
The office that day
Everything else NWS Tulsa, OK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 3, 8:00 PM CST | Severe Thunderstorm Warning | TSA | Mayes | 45 min |
| Dec 3, 8:02 PM CST | Severe Thunderstorm Warning | TSA | Delaware | 28 min |
| Dec 3, 8:05 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 40 min |
| Dec 3, 8:11 PM CST | Severe Thunderstorm Warning | TSA | Delaware | 49 min |
| Dec 3, 8:40 PM CST | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 50 min |
| Dec 3, 8:44 PM CST | Severe Thunderstorm Warning | TSA | Mayes | 61 min |
| Dec 3, 8:44 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 61 min |
| Dec 3, 8:50 PM CST | Severe Thunderstorm Warning | TSA | Tulsa | 40 min |
| Dec 3, 9:08 PM CST | Severe Thunderstorm Warning | TSA | Craig | 52 min |
| Dec 3, 9:47 PM CST | Severe Thunderstorm Warning | TSA | Ottawa | 43 min |
| Dec 3, 9:54 PM CST | Severe Thunderstorm Warning | TSA | Craig | 51 min |
| Dec 3, 10:04 PM CST | Tornado Warning | TSA | Delaware, Ottawa | 41 min |
| Dec 3, 10:10 PM CST | Severe Thunderstorm Warning | TSA | Okmulgee | 50 min |
| Dec 3, 10:14 PM CST | Severe Thunderstorm Warning | TSA | Creek, Tulsa | 46 min |
| Dec 3, 10:43 PM CST | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 62 min |
| Dec 3, 10:56 PM CST | Severe Thunderstorm Warning | TSA | Rogers, Tulsa | 49 min |
| Dec 3, 11:20 PM CST | Severe Thunderstorm Warning | TSA | Craig | 55 min |
| Dec 3, 11:26 PM CST | Tornado Warning | TSA | Craig, Mayes, Rogers | 34 min |
| Dec 3, 11:39 PM CST | Severe Thunderstorm Warning | TSA | Creek | 51 min |
| Dec 3, 11:51 PM CST | Tornado Warning | TSA | Craig | 39 min |
| Dec 3, 11:57 PM CST | Severe Thunderstorm Warning | TSA | Rogers | 48 min |
| Dec 4, 12:11 AM CST | Severe Thunderstorm Warning | TSA | Ottawa | 49 min |
| Dec 4, 12:14 AM CST | Severe Thunderstorm Warning | TSA | Osage, Pawnee | 46 min |
| Dec 4, 8:11 AM CST | Severe Thunderstorm Warning | TSA | Delaware | 49 min |
| Dec 4, 10:18 AM CST | Severe Thunderstorm Warning | TSA | Sequoyah | 42 min |
| Dec 4, 10:32 AM CST | Severe Thunderstorm Warning | TSA | Adair, Cherokee | 43 min |
Nearby
Tornado Warnings in Oklahoma, 1999Every tornado warning in 1999Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.