Storm Station
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Beside a road

RWIS network, identified by the register

Identifier
I40ST023
Latitude
35.28659 N
Longitude
99.62160 W
Elevation
-
Rank
-
Observed
2:36 AMCDT, 12 minutes ago
Air temperature
53F
Wind
10mph
Gust
11mph
Wind direction
89°
Pavement temperature
51F
Temperature under the road
60F

On the radar over I-40 & SayreReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

Beside a road

Drawn as the kind of place it stands at. 19 instruments in Oklahoma stand at one.

Station charts

I-40 & Sayre Report

Rank
-
Days reported, 30 days
0 of 30
Time to reach Storm Station
6 min9 in 10 within 9 min
Chart of the 859 ranked stations in Oklahoma on Oct 16 by the share of their scheduled reports received in Storm Station's own record, up to 7 days, in tenths: 0 to 9 per cent, 6; 10 to 19 per cent, 21; 20 to 29 per cent, 15; 30 to 39 per cent, 2; 40 to 49 per cent, 37; 50 to 59 per cent, 72; 60 to 69 per cent, 17; 70 to 79 per cent, 58; 80 to 89 per cent, 62; 90 to 99 per cent, 228; 100 per cent, 341.WHERE IT RANKS IN OKLAHOMA, Oct 16PER CENT OF SCHEDULED REPORTS RECEIVEDIN STORM STATION'S OWN RECORD, UP TO 7 DAYS1101000 to 9610 to 192120 to 291530 to 39240 to 493750 to 597260 to 691770 to 795880 to 896290 to 99228100341STATIONS, LOG SCALE
The ranking these charts were drawn from, as tables
Share of scheduled reports receivedStations
100%341
90 to 99%228
80 to 89%62
70 to 79%58
60 to 69%17
50 to 59%72
40 to 49%37
30 to 39%2
20 to 29%15
10 to 19%21
0 to 9%6

Station report

I-40 & Sayre, in 2 sheets

Drawn from the register, in the manner of the Field Book, and opened beside the plates that explain each part of it.

1The sun

Contents

On Oct 16 the noon sun stands 46 degrees above the horizon at 35.29 N, and the day is 11 h 08 min long. Level ground there takes 71 per cent of the noon sunlight a surface facing the sun would.

Elevation of the noon sun at I-40 & Sayre, angles true: on Oct 16 it stands 46 degrees above the horizon, against 78 at the June solstice, 55 at the equinoxes and 31 at the December solstice; the day is 11 h 08 min long.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I40ST023FIG. E THE SUN AT I-40 & SAYREELEVATION LOOKING WEST, SOUTH TO THE LEFT: THE NOON SUN ON THE DAY OF THE REPORT, AND AT THE SOLSTICES AND EQUINOXES; ANGLES TRUETHE STATIONJUNE SOLSTICE 78°EQUINOXES 55°DECEMBER SOLSTICE 31°OCT 16, 46°SOUTHANGLES TRUE; THE RAYS ARE OF ONE LENGTH AND DRAW DIRECTION ONLYDAY LENGTH 11 H 08 MINLEVEL GROUND TAKES 71 PER CENT OF THE NOON SUN A FACING SURFACE WOULDLATITUDE 35.29 N; THE SUN'S DECLINATION -9.1°TITLEI-40 & Sayre, the sunSTATION REPORT · RWIS I40ST023TYPEELEVATIONSCALEANGLES TRUEREVFROM THE REGISTER SHEET 1 of 2DATE2026-10-16IDSR-I40ST023-1DRAWN AS linework on paperSOURCES FB-ENG-007

From the Field Book

2The instrument

Contents

A road weather station. Its sensors, as its network builds them.

Elevation of a road weather station, I-40 & Sayre, each sensor drawn and labelled with what it read: no reading in the last day.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT I40ST023FIG. F THE INSTRUMENTELEVATION OF A ROAD WEATHER STATION, EACH SENSOR WITH WHAT IT READTHE ROAD, IN SECTIONPAVEMENT SENSOR, SET IN THE ROAD-PROBE UNDER THE ROAD-AIR TEMPERATURE ON THE TOWER-WIND AT THE TOP OF THE TOWER-SCHEMATIC; THE SPACING BETWEEN SENSORS IS NOT TO SCALETITLEI-40 & Sayre, the instrumentSTATION REPORT · RWIS I40ST023TYPEELEVATIONSCALESCHEMATICREVFROM THE REGISTER SHEET 2 of 2DATE2026-10-16IDSR-I40ST023-2DRAWN AS linework on paperSOURCES FB-INS-001

From the Field Book

The instrumentWhat an instrument is FB-INS-001Stevenson screen and siting FB-INS-009

What it seesLapse rates and stability FB-ENG-005Water vapour as a gas FB-ENG-011Blizzard FB-EVT-081Ice storm FB-EVT-084Heat wave and heat dome FB-EVT-130Fire weather FB-EVT-139High wind FB-EVT-150Humidity variables FB-WAT-002Fog types FB-WAT-020

Near I-40 & Sayre

Gauges

Weather instruments

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